shaofengshi closed pull request #288: KYLIN-3597 Improve code smell
URL: https://github.com/apache/kylin/pull/288
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

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below (as it won't show otherwise due to GitHub magic):

diff --git 
a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java 
b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
index 6f1dfd9144..386a73ca6f 100644
--- a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
+++ b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
@@ -57,6 +57,12 @@
     private static final long serialVersionUID = 1L;
     private static final Logger logger = 
LoggerFactory.getLogger(KylinConfigBase.class);
 
+    private static final String FALSE = "false";
+    private static final String TRUE = "true";
+    private static final String DEFAULT = "default";
+    private static final String KYLIN_ENGINE_MR_JOB_JAR = 
"kylin.engine.mr.job-jar";
+    private static final String KYLIN_STORAGE_HBASE_COPROCESSOR_LOCAL_JAR = 
"kylin.storage.hbase.coprocessor-local-jar";
+
     /*
      * DON'T DEFINE CONSTANTS FOR PROPERTY KEYS!
      *
@@ -84,13 +90,13 @@ public static String getKylinHomeWithoutWarn() {
     public static String getSparkHome() {
         String sparkHome = System.getenv("SPARK_HOME");
         if (StringUtils.isNotEmpty(sparkHome)) {
-            logger.info("SPARK_HOME was set to " + sparkHome);
+            logger.info("SPARK_HOME was set to {}", sparkHome);
             return sparkHome;
         }
 
         sparkHome = System.getProperty("SPARK_HOME");
         if (StringUtils.isNotEmpty(sparkHome)) {
-            logger.info("SPARK_HOME was set to " + sparkHome);
+            logger.info("SPARK_HOME was set to {}", sparkHome);
             return sparkHome;
         }
 
@@ -195,7 +201,7 @@ final protected String getRequired(String prop) {
      * Use with care, properties should be read-only. This is for testing only.
      */
     final public void setProperty(String key, String value) {
-        logger.info("Kylin Config was updated with " + key + " : " + value);
+        logger.info("Kylin Config was updated with {} : {}", key, value);
         properties.setProperty(BCC.check(key), value);
     }
 
@@ -228,7 +234,6 @@ public String getDeployEnv() {
     }
 
     private String cachedHdfsWorkingDirectory;
-    private String cachedBigCellDirectory;
 
     public String getHdfsWorkingDirectory() {
         if (cachedHdfsWorkingDirectory != null)
@@ -301,7 +306,7 @@ public String getZookeeperConnectString() {
     }
 
     public boolean isZookeeperAclEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.env.zookeeper-acl-enabled", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.env.zookeeper-acl-enabled", FALSE));
     }
 
     public String getZKAuths() {
@@ -381,7 +386,7 @@ public String getHBaseMappingAdapter() {
     }
 
     public boolean isCheckCopyOnWrite() {
-        return 
Boolean.parseBoolean(getOptional("kylin.metadata.check-copy-on-write", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.metadata.check-copy-on-write", FALSE));
     }
 
     public String getHbaseClientScannerTimeoutPeriod() {
@@ -401,7 +406,7 @@ public String getHbaseClientRetriesNumber() {
     // 
============================================================================
 
     public boolean isUseForestTrieDictionary() {
-        return 
Boolean.parseBoolean(getOptional("kylin.dictionary.use-forest-trie", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.dictionary.use-forest-trie", TRUE));
     }
 
     public int getTrieDictionaryForestMaxTrieSizeMB() {
@@ -413,11 +418,11 @@ public int getCachedDictMaxEntrySize() {
     }
 
     public boolean isGrowingDictEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.growing-enabled", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.growing-enabled", 
FALSE));
     }
 
     public boolean isDictResuable() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.resuable", "false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.resuable", FALSE));
     }
 
     public int getAppendDictEntrySize() {
@@ -453,7 +458,7 @@ public double getExtTableSnapshotLocalCacheMaxSizeGB() {
     }
 
     public boolean isShrunkenDictFromGlobalEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.shrunken-from-global-enabled",
 "false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.dictionary.shrunken-from-global-enabled",
 FALSE));
     }
 
     // 
============================================================================
@@ -502,7 +507,7 @@ public int getCubeAlgorithmInMemConcurrentThreads() {
     }
 
     public boolean isIgnoreCubeSignatureInconsistency() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.ignore-signature-inconsistency", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.ignore-signature-inconsistency", 
FALSE));
     }
 
     public long getCubeAggrGroupMaxCombination() {
@@ -510,7 +515,7 @@ public long getCubeAggrGroupMaxCombination() {
     }
 
     public boolean getCubeAggrGroupIsMandatoryOnlyValid() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.aggrgroup.is-mandatory-only-valid",
 "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.aggrgroup.is-mandatory-only-valid",
 FALSE));
     }
 
     public int getCubeRowkeyMaxSize() {
@@ -526,7 +531,7 @@ public int getMaxBuildingSegments() {
     }
 
     public boolean allowCubeAppearInMultipleProjects() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.allow-appear-in-multiple-projects",
 "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.allow-appear-in-multiple-projects",
 FALSE));
     }
 
     public int getGTScanRequestSerializationLevel() {
@@ -534,7 +539,7 @@ public int getGTScanRequestSerializationLevel() {
     }
 
     public boolean isAutoMergeEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.is-automerge-enabled", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.is-automerge-enabled", TRUE));
     }
 
     // 
============================================================================
@@ -542,11 +547,11 @@ public boolean isAutoMergeEnabled() {
     // 
============================================================================
 
     public boolean isCubePlannerEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.cubeplanner.enabled", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.cubeplanner.enabled", TRUE));
     }
 
     public boolean isCubePlannerEnabledForExistingCube() {
-        return 
Boolean.parseBoolean(getOptional("kylin.cube.cubeplanner.enabled-for-existing-cube",
 "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.cube.cubeplanner.enabled-for-existing-cube",
 TRUE));
     }
 
     public double getCubePlannerExpansionRateThreshold() {
@@ -611,7 +616,7 @@ public String getCliWorkingDir() {
     }
 
     public boolean isEmptySegmentAllowed() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.allow-empty-segment", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.allow-empty-segment", TRUE));
     }
 
     public int getMaxConcurrentJobLimit() {
@@ -631,11 +636,11 @@ public String getHiveDependencyFilterList() {
     }
 
     public boolean isMailEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.notification-enabled", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.notification-enabled", FALSE));
     }
 
     public boolean isStarttlsEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.notification-mail-enable-starttls", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.notification-mail-enable-starttls", 
FALSE));
     }
 
     public String getSmtpPort() {
@@ -688,7 +693,7 @@ public Integer getSchedulerType() {
     }
 
     public boolean getSchedulerPriorityConsidered() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.scheduler.priority-considered", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.scheduler.priority-considered", 
FALSE));
     }
 
     public Integer getSchedulerPriorityBarFetchFromQueue() {
@@ -704,7 +709,7 @@ public Integer getErrorRecordThreshold() {
     }
 
     public boolean isAdvancedFlatTableUsed() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.use-advanced-flat-table", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.use-advanced-flat-table", FALSE));
     }
 
     public String getAdvancedFlatTableClass() {
@@ -720,7 +725,7 @@ public int getJobMetadataPersistRetry() {
     }
 
     public boolean isJobAutoReadyCubeEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.job.cube-auto-ready-enabled", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.job.cube-auto-ready-enabled", TRUE));
     }
 
     // 
============================================================================
@@ -774,11 +779,11 @@ public String getOverrideHiveTableLocation(String table) {
     }
 
     public boolean isHiveKeepFlatTable() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.source.hive.keep-flat-table", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.source.hive.keep-flat-table", 
FALSE));
     }
 
     public String getHiveDatabaseForIntermediateTable() {
-        return this.getOptional("kylin.source.hive.database-for-flat-table", 
"default");
+        return this.getOptional("kylin.source.hive.database-for-flat-table", 
DEFAULT);
     }
 
     public String getFlatTableStorageFormat() {
@@ -790,7 +795,7 @@ public String getFlatTableFieldDelimiter() {
     }
 
     public boolean isHiveRedistributeEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.source.hive.redistribute-flat-table",
 "true"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.source.hive.redistribute-flat-table",
 TRUE));
     }
 
     public String getHiveClientMode() {
@@ -806,7 +811,7 @@ public String getHiveBeelineParams() {
     }
 
     public boolean getEnableSparkSqlForTableOps() {
-        return 
Boolean.parseBoolean(getOptional("kylin.source.hive.enable-sparksql-for-table-ops",
 "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.source.hive.enable-sparksql-for-table-ops",
 FALSE));
     }
 
     public String getSparkSqlBeelineShell() {
@@ -818,7 +823,7 @@ public String getSparkSqlBeelineParams() {
     }
 
     public boolean getHiveTableDirCreateFirst() {
-        return 
Boolean.parseBoolean(getOptional("kylin.source.hive.table-dir-create-first", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.source.hive.table-dir-create-first", 
FALSE));
     }
 
     public String getFlatHiveTableClusterByDictColumn() {
@@ -891,7 +896,7 @@ public String getJdbcSourceDriver() {
     }
 
     public String getJdbcSourceDialect() {
-        return getOptional("kylin.source.jdbc.dialect", "default");
+        return getOptional("kylin.source.jdbc.dialect", DEFAULT);
     }
 
     public String getJdbcSourceUser() {
@@ -951,7 +956,7 @@ public String getHBaseTableNamePrefix() {
     }
 
     public String getHBaseStorageNameSpace() {
-        return getOptional("kylin.storage.hbase.namespace", "default");
+        return getOptional("kylin.storage.hbase.namespace", DEFAULT);
     }
 
     public String getHBaseClusterFs() {
@@ -966,7 +971,7 @@ public String getHBaseClusterHDFSConfigFile() {
     private static final Pattern JOB_JAR_NAME_PATTERN = 
Pattern.compile("kylin-job-(.+)\\.jar");
 
     public String getCoprocessorLocalJar() {
-        final String coprocessorJar = 
getOptional("kylin.storage.hbase.coprocessor-local-jar");
+        final String coprocessorJar = 
getOptional(KYLIN_STORAGE_HBASE_COPROCESSOR_LOCAL_JAR);
         if (StringUtils.isNotEmpty(coprocessorJar)) {
             return coprocessorJar;
         }
@@ -978,8 +983,8 @@ public String getCoprocessorLocalJar() {
     }
 
     public void overrideCoprocessorLocalJar(String path) {
-        logger.info("override " + "kylin.storage.hbase.coprocessor-local-jar" 
+ " to " + path);
-        System.setProperty("kylin.storage.hbase.coprocessor-local-jar", path);
+        logger.info("override {} to {}", 
KYLIN_STORAGE_HBASE_COPROCESSOR_LOCAL_JAR, path);
+        System.setProperty(KYLIN_STORAGE_HBASE_COPROCESSOR_LOCAL_JAR, path);
     }
 
     private static String getFileName(String homePath, Pattern pattern) {
@@ -1016,7 +1021,7 @@ public float getHBaseHFileSizeGB() {
     }
 
     public boolean getQueryRunLocalCoprocessor() {
-        return 
Boolean.parseBoolean(getOptional("kylin.storage.hbase.run-local-coprocessor", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.storage.hbase.run-local-coprocessor", 
FALSE));
     }
 
     public double getQueryCoprocessorMemGB() {
@@ -1024,7 +1029,7 @@ public double getQueryCoprocessorMemGB() {
     }
 
     public boolean getQueryCoprocessorSpillEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.storage.partition.aggr-spill-enabled",
 "true"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.storage.partition.aggr-spill-enabled",
 TRUE));
     }
 
     public long getPartitionMaxScanBytes() {
@@ -1087,7 +1092,7 @@ public String getKylinOwner() {
     }
 
     public boolean getCompressionResult() {
-        return 
Boolean.parseBoolean(getOptional("kylin.storage.hbase.endpoint-compress-result",
 "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.storage.hbase.endpoint-compress-result",
 TRUE));
     }
 
     public int getHBaseMaxConnectionThreads() {
@@ -1125,7 +1130,7 @@ public int getDefaultCubeEngine() {
     }
 
     public String getKylinJobJarPath() {
-        final String jobJar = getOptional("kylin.engine.mr.job-jar");
+        final String jobJar = getOptional(KYLIN_ENGINE_MR_JOB_JAR);
         if (StringUtils.isNotEmpty(jobJar)) {
             return jobJar;
         }
@@ -1137,8 +1142,8 @@ public String getKylinJobJarPath() {
     }
 
     public void overrideMRJobJarPath(String path) {
-        logger.info("override " + "kylin.engine.mr.job-jar" + " to " + path);
-        System.setProperty("kylin.engine.mr.job-jar", path);
+        logger.info("override {} to {}", KYLIN_ENGINE_MR_JOB_JAR, path);
+        System.setProperty(KYLIN_ENGINE_MR_JOB_JAR, path);
     }
 
     public String getKylinJobMRLibDir() {
@@ -1214,11 +1219,11 @@ public int getUHCReducerCount() {
     }
 
     public boolean isBuildUHCDictWithMREnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.engine.mr.build-uhc-dict-in-additional-step",
 "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.engine.mr.build-uhc-dict-in-additional-step",
 FALSE));
     }
 
     public boolean isBuildDictInReducerEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.engine.mr.build-dict-in-reducer", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.engine.mr.build-dict-in-reducer", 
TRUE));
     }
 
     public String getYarnStatusCheckUrl() {
@@ -1258,7 +1263,7 @@ public String getSparkStorageLevel() {
     }
 
     public boolean isSparkSanityCheckEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.engine.spark.sanity-check-enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.engine.spark.sanity-check-enabled", 
FALSE));
     }
 
     // 
============================================================================
@@ -1266,19 +1271,19 @@ public boolean isSparkSanityCheckEnabled() {
     // 
============================================================================
 
     public boolean isDictionaryEnumeratorEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.enable-dict-enumerator", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.enable-dict-enumerator", FALSE));
     }
 
     public boolean isEnumerableRulesEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.calcite.enumerable-rules-enabled",
 "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.calcite.enumerable-rules-enabled",
 FALSE));
     }
 
     public boolean isReduceExpressionsRulesEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.calcite.reduce-rules-enabled", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.calcite.reduce-rules-enabled", 
TRUE));
     }
 
     public boolean isConvertCreateTableToWith() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.convert-create-table-to-with", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.convert-create-table-to-with", 
FALSE));
     }
 
     /**
@@ -1318,24 +1323,24 @@ public Properties getCalciteExtrasProperties() {
     // check KYLIN-3358, need deploy coprocessor if enabled
     // finally should be deprecated
     public boolean isDynamicColumnEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.enable-dynamic-column", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.enable-dynamic-column", FALSE));
     }
 
     //check KYLIN-1684, in most cases keep the default value
     public boolean isSkippingEmptySegments() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.skip-empty-segments", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.skip-empty-segments", TRUE));
     }
 
     public boolean isDisableCubeNoAggSQL() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.disable-cube-noagg-sql", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.disable-cube-noagg-sql", FALSE));
     }
 
     public boolean isStreamAggregateEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.stream-aggregate-enabled", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.stream-aggregate-enabled", TRUE));
     }
 
     public boolean isProjectIsolationEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.storage.project-isolation-enable", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.storage.project-isolation-enable", 
TRUE));
     }
 
     @Deprecated //Limit is good even it's large. This config is meaning less 
since we already have scan threshold
@@ -1405,7 +1410,7 @@ public int getBadQueryDefaultDetectIntervalSeconds() {
     }
 
     public boolean getBadQueryPersistentEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.query.badquery-persistent-enabled", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.query.badquery-persistent-enabled", 
TRUE));
     }
 
     public String[] getQueryTransformers() {
@@ -1429,15 +1434,15 @@ public long getQueryScanBytesCacheThreshold() {
     }
 
     public boolean isQuerySecureEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.security-enabled", "true"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.security-enabled", TRUE));
     }
 
     public boolean isQueryCacheEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.cache-enabled", "true"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.cache-enabled", TRUE));
     }
 
     public boolean isQueryIgnoreUnknownFunction() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.ignore-unknown-function", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.ignore-unknown-function", 
FALSE));
     }
 
     public String getQueryAccessController() {
@@ -1480,7 +1485,7 @@ public boolean isPushDownEnabled() {
     }
 
     public boolean isPushDownUpdateEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.pushdown.update-enabled", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.pushdown.update-enabled", 
FALSE));
     }
 
     public String getSchemaFactory() {
@@ -1497,7 +1502,7 @@ public String getPushDownRunnerClassName() {
     }
 
     public boolean isPushdownQueryCacheEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.pushdown.cache-enabled", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.pushdown.cache-enabled", 
FALSE));
     }
 
     public String getJdbcUrl() {
@@ -1529,11 +1534,11 @@ public int getPoolMinIdle() {
     }
 
     public boolean isTableACLEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.security.table-acl-enabled", 
"true"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.security.table-acl-enabled", 
TRUE));
     }
 
     public boolean isEscapeDefaultKeywordEnabled() {
-        return 
Boolean.parseBoolean(this.getOptional("kylin.query.escape-default-keyword", 
"false"));
+        return 
Boolean.parseBoolean(this.getOptional("kylin.query.escape-default-keyword", 
FALSE));
     }
 
     public String getQueryRealizationFilter() {
@@ -1570,11 +1575,11 @@ public long getSequenceExpireTime() {
     }
 
     public boolean getQueryMetricsEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.server.query-metrics-enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.server.query-metrics-enabled", FALSE));
     }
 
     public boolean getQueryMetrics2Enabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.server.query-metrics2-enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.server.query-metrics2-enabled", FALSE));
     }
 
     public int[] getQueryMetricsPercentilesIntervals() {
@@ -1619,19 +1624,19 @@ public String getTimeZone() {
     }
 
     public boolean isWebCrossDomainEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.web.cross-domain-enabled", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.web.cross-domain-enabled", TRUE));
     }
 
     public boolean isAdminUserExportAllowed() {
-        return 
Boolean.parseBoolean(getOptional("kylin.web.export-allow-admin", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.web.export-allow-admin", TRUE));
     }
 
     public boolean isNoneAdminUserExportAllowed() {
-        return 
Boolean.parseBoolean(getOptional("kylin.web.export-allow-other", "true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.web.export-allow-other", TRUE));
     }
 
     public boolean isWebDashboardEnabled() {
-        return Boolean.parseBoolean(getOptional("kylin.web.dashboard-enabled", 
"false"));
+        return Boolean.parseBoolean(getOptional("kylin.web.dashboard-enabled", 
FALSE));
     }
 
     public String getPropertiesWhiteList() {
@@ -1680,23 +1685,23 @@ public String getPerfLoggerClassName() {
     }
 
     public boolean isShowingGuiTraceToggle() {
-        return 
Boolean.parseBoolean(getOptional("kylin.htrace.show-gui-trace-toggle", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.htrace.show-gui-trace-toggle", FALSE));
     }
 
     public boolean isHtraceTracingEveryQuery() {
-        return 
Boolean.parseBoolean(getOptional("kylin.htrace.trace-every-query", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.htrace.trace-every-query", FALSE));
     }
 
     public boolean isKylinMetricsMonitorEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.metrics.monitor-enabled", "false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.metrics.monitor-enabled", FALSE));
     }
 
     public boolean isKylinMetricsReporterForQueryEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.metrics.reporter-query-enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.metrics.reporter-query-enabled", 
FALSE));
     }
 
     public boolean isKylinMetricsReporterForJobEnabled() {
-        return 
Boolean.parseBoolean(getOptional("kylin.metrics.reporter-job-enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.metrics.reporter-job-enabled", FALSE));
     }
 
     public String getKylinMetricsPrefix() {
@@ -1744,15 +1749,15 @@ public String getKylinMetricsSubjectQueryRpcCall() {
     // tool
     // 
============================================================================
     public boolean isAllowAutoMigrateCube() {
-        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.enabled", 
"false"));
+        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.enabled", 
FALSE));
     }
 
     public boolean isAutoMigrateCubeCopyAcl() {
-        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.copy-acl", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.copy-acl", 
TRUE));
     }
 
     public boolean isAutoMigrateCubePurge() {
-        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.purge-src-cube", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.tool.auto-migrate-cube.purge-src-cube", 
TRUE));
     }
 
     public String getAutoMigrateCubeSrcConfig() {
@@ -1772,7 +1777,7 @@ public String getMetadataDialect() {
     }
 
     public boolean isJsonAlwaysSmallCell() {
-        return 
Boolean.parseBoolean(getOptional("kylin.metadata.jdbc.json-always-small-cell", 
"true"));
+        return 
Boolean.parseBoolean(getOptional("kylin.metadata.jdbc.json-always-small-cell", 
TRUE));
     }
 
     public int getSmallCellMetadataWarningThreshold() {
diff --git a/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java 
b/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
index 1cacd0dc9b..dbd19559fe 100755
--- a/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
+++ b/core-cube/src/main/java/org/apache/kylin/cube/CubeManager.java
@@ -25,6 +25,7 @@
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Random;
 import java.util.Set;
@@ -327,7 +328,7 @@ private CubeInstance updateCubeWithRetry(CubeUpdate update, 
int retry) throws IO
                 CubeSegment currentSeg = iterator.next();
                 for (CubeSegment toRemoveSeg : update.getToRemoveSegs()) {
                     if (currentSeg.getUuid().equals(toRemoveSeg.getUuid())) {
-                        logger.info("Remove segment {}", 
currentSeg.toString());
+                        logger.info("Remove segment {}", currentSeg);
                         
toRemoveResources.add(currentSeg.getStatisticsResourcePath());
                         iterator.remove();
                         break;
@@ -396,7 +397,7 @@ private CubeInstance updateCubeWithRetry(CubeUpdate update, 
int retry) throws IO
                 try {
                     getStore().deleteResource(resource);
                 } catch (IOException ioe) {
-                    logger.error("Failed to delete resource {}", 
toRemoveResources.toString());
+                    logger.error("Failed to delete resource {}", 
toRemoveResources);
                 }
             }
         }
@@ -865,11 +866,13 @@ public void promoteNewlyBuiltSegments(CubeInstance cube, 
CubeSegment newSegCopy)
 
             if (StringUtils.isBlank(newSegCopy.getStorageLocationIdentifier()))
                 throw new IllegalStateException(
-                        "For cube " + cubeCopy + ", segment " + newSegCopy + " 
missing StorageLocationIdentifier");
+                        String.format(Locale.ROOT, "For cube %s, segment %s 
missing StorageLocationIdentifier",
+                                cubeCopy.toString(), newSegCopy.toString()));
 
             if (StringUtils.isBlank(newSegCopy.getLastBuildJobID()))
                 throw new IllegalStateException(
-                        "For cube " + cubeCopy + ", segment " + newSegCopy + " 
missing LastBuildJobID");
+                        String.format(Locale.ROOT, "For cube %s, segment %s 
missing LastBuildJobID",
+                                cubeCopy.toString(), newSegCopy.toString()));
 
             if (isReady(newSegCopy) == true) {
                 logger.warn("For cube {}, segment {} state should be NEW but 
is READY", cubeCopy, newSegCopy);
@@ -878,8 +881,9 @@ public void promoteNewlyBuiltSegments(CubeInstance cube, 
CubeSegment newSegCopy)
             List<CubeSegment> tobe = 
cubeCopy.calculateToBeSegments(newSegCopy);
 
             if (tobe.contains(newSegCopy) == false)
-                throw new IllegalStateException("For cube " + cubeCopy + ", 
segment " + newSegCopy
-                        + " is expected but not in the tobe " + tobe);
+                throw new IllegalStateException(
+                        String.format(Locale.ROOT, "For cube %s, segment %s is 
expected but not in the tobe %s",
+                                cubeCopy.toString(), newSegCopy.toString(), 
tobe.toString()));
 
             newSegCopy.setStatus(SegmentStatusEnum.READY);
 
@@ -920,8 +924,9 @@ public void promoteCheckpointOptimizeSegments(CubeInstance 
cube, Map<Long, Long>
             CubeSegment[] optSegCopy = 
cubeCopy.regetSegments(optimizedSegments);
 
             if (cubeCopy.getSegments().size() != optSegCopy.length * 2) {
-                throw new IllegalStateException("For cube " + cubeCopy
-                        + ", every READY segment should be optimized and all 
segments should be READY before optimizing");
+                throw new IllegalStateException(
+                        String.format(Locale.ROOT, "For cube %s, every READY 
segment should be optimized and all segments should be READY before optimizing",
+                                cubeCopy.toString()));
             }
 
             CubeSegment[] originalSegments = new 
CubeSegment[optSegCopy.length];
@@ -931,11 +936,13 @@ public void 
promoteCheckpointOptimizeSegments(CubeInstance cube, Map<Long, Long>
 
                 if (StringUtils.isBlank(seg.getStorageLocationIdentifier()))
                     throw new IllegalStateException(
-                            "For cube " + cubeCopy + ", segment " + seg + " 
missing StorageLocationIdentifier");
+                            String.format(Locale.ROOT, "For cube %s, segment 
%s missing StorageLocationIdentifier",
+                                    cubeCopy.toString(), seg.toString()));
 
                 if (StringUtils.isBlank(seg.getLastBuildJobID()))
                     throw new IllegalStateException(
-                            "For cube " + cubeCopy + ", segment " + seg + " 
missing LastBuildJobID");
+                            String.format(Locale.ROOT, "For cube %s, segment 
%s missing LastBuildJobID",
+                                    cubeCopy.toString(), seg.toString()));
 
                 seg.setStatus(SegmentStatusEnum.READY);
             }
@@ -958,8 +965,9 @@ private void validateNewSegments(CubeInstance cube, 
CubeSegment newSegments) {
             List<CubeSegment> tobe = cube.calculateToBeSegments(newSegments);
             List<CubeSegment> newList = Arrays.asList(newSegments);
             if (tobe.containsAll(newList) == false) {
-                throw new IllegalStateException("For cube " + cube + ", the 
new segments " + newList
-                        + " do not fit in its current " + cube.getSegments() + 
"; the resulted tobe is " + tobe);
+                throw new IllegalStateException(
+                        String.format(Locale.ROOT, "For cube %s, the new 
segments %s do not fit in its current %s; the resulted tobe is %s",
+                                cube.toString(), newList.toString(), 
cube.getSegments().toString(), tobe.toString()));
             }
         }
 
diff --git 
a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/lookup/LookupTableHFilesBulkLoadJob.java
 
b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/lookup/LookupTableHFilesBulkLoadJob.java
index 7e734db383..5273ffa193 100644
--- 
a/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/lookup/LookupTableHFilesBulkLoadJob.java
+++ 
b/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/lookup/LookupTableHFilesBulkLoadJob.java
@@ -85,7 +85,7 @@ public int run(String[] args) throws Exception {
         }
 
         if (exitCode != 0) {
-            logger.error("Failed to change the file permissions: " + input);
+            logger.error("Failed to change the file permissions: {}", input);
             throw new IOException("Failed to change the file permissions: " + 
input);
         }
 


 

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