[ https://issues.apache.org/jira/browse/IOTDB-407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jialin Qiao closed IOTDB-407. ----------------------------- Fix Version/s: 0.10.0-SNAPSHOT Assignee: Xiangdong Huang Resolution: Fixed [https://github.com/apache/incubator-iotdb/pull/827] > NullPoint in ActiveTimeSeriesCounter > ------------------------------------- > > Key: IOTDB-407 > URL: https://issues.apache.org/jira/browse/IOTDB-407 > Project: Apache IoTDB > Issue Type: Bug > Reporter: Xiangdong Huang > Assignee: Xiangdong Huang > Priority: Major > Fix For: 0.10.0-SNAPSHOT > > > Hi, if you read the log in tests. You can find a null pointer exception. > [https://travis-ci.org/apache/incubator-iotdb/jobs/633305973?utm_medium=notification&utm_source=github_status] > > What will happen if the activeTimeSeriesNumMap has no a given storage group > and therefore we skip the method of `offer()`? > > 14:32:55.358 [IoTDB-MultiFileLogNodeManager-Force-Thread] DEBUG > org.apache.iotdb.db.writelog.node.ExclusiveWriteLogNode - Log node > root.sg1-1578321174624-101-0.tsfile ends sync. > 14:32:55.358 [pool-9-IoTDB-JDBC-Client-thread-1] DEBUG > org.apache.iotdb.db.engine.storagegroup.TsFileProcessor - storage group > root.sg1 async flush a memtable when async close > 14:32:55.374 [pool-9-IoTDB-JDBC-Client-thread-1] DEBUG > org.apache.iotdb.db.writelog.node.ExclusiveWriteLogNode - Log node > root.sg1-1578321174624-101-0.tsfile closed successfully > 14:32:55.374 [pool-9-IoTDB-JDBC-Client-thread-1] INFO > org.apache.iotdb.db.engine.flush.FlushManager - storage group root.sg1 begin > to submit a flush thread, flushing memtable size: 1 > 14:32:55.374 [pool-9-IoTDB-JDBC-Client-thread-1] INFO > org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor - close a > sequence tsfile processor root.sg1 > 14:32:55.374 [pool-13-IoTDB-Flush-ServerServiceImpl-thread-1] INFO > org.apache.iotdb.db.engine.storagegroup.TsFileProcessor - storage group > root.sg1 starts to flush a memtable in a flush thread > 14:32:55.374 [pool-13-IoTDB-Flush-ServerServiceImpl-thread-1] DEBUG > org.apache.iotdb.db.engine.flush.MemTableFlushTask - flush task of Storage > group root.sg1 memtable 106 is created > 14:32:55.374 [pool-12-IoTDB-Flush-SubTask-ServerServiceImpl-thread-2] DEBUG > org.apache.iotdb.db.engine.flush.MemTableFlushTask - Storage group root.sg1 > memtable 106, start io. > 14:32:55.374 [pool-13-IoTDB-Flush-ServerServiceImpl-thread-1] ERROR > org.apache.iotdb.db.conf.adapter.ActiveTimeSeriesCounter - Storage group > root.sg1 registers active time series root.sg1.d1.s3 failed > java.lang.NullPointerException: null > at > org.apache.iotdb.db.conf.adapter.ActiveTimeSeriesCounter.offer(ActiveTimeSeriesCounter.java:65) > at > org.apache.iotdb.db.engine.flush.MemTableFlushTask.syncFlushMemTable(MemTableFlushTask.java:87) > at > org.apache.iotdb.db.engine.storagegroup.TsFileProcessor.flushOneMemTable(TsFileProcessor.java:448) > at > org.apache.iotdb.db.engine.flush.FlushManager$FlushThread.run(FlushManager.java:89) > at > java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) > at > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > at > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at java.base/java.lang.Thread.run(Thread.java:834) > 14:32:55.374 [pool-13-IoTDB-Flush-ServerServiceImpl-thread-1] ERROR > org.apache.iotdb.db.conf.adapter.ActiveTimeSeriesCounter - Update root.sg1 > active ratio failed > java.lang.NullPointerException: null > at > org.apache.iotdb.db.conf.adapter.ActiveTimeSeriesCounter.updateActiveRatio(ActiveTimeSeriesCounter.java:79) > at > org.apache.iotdb.db.engine.flush.MemTableFlushTask.syncFlushMemTable(MemTableFlushTask.java:91) > at > org.apache.iotdb.db.engine.storagegroup.TsFileProcessor.flushOneMemTable(TsFileProcessor.java:448) > at > org.apache.iotdb.db.engine.flush.FlushManager$FlushThread.run(FlushManager.java:89) > at > java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) > at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) > at > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > at > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at java.base/java.lang.Thread.run(Thread.java:834) -- This message was sent by Atlassian Jira (v8.3.4#803005)