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https://issues.apache.org/jira/browse/HADOOP-11969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560189#comment-14560189
]
Hudson commented on HADOOP-11969:
---------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk-Java8 #209 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/209/])
HADOOP-11969. ThreadLocal initialization in several classes is not thread safe
(Sean Busbey via Colin P. McCabe) (cmccabe: rev
7dba7005b79994106321b0f86bc8f4ea51a3c185)
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesInput.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/record/BinaryRecordOutput.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
*
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/test/TestDirHelper.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesOutput.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/Text.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/record/BinaryRecordInput.java
*
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/test/TestJettyHelper.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesRecordOutput.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/ShuffleSchedulerImpl.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/Chain.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesRecordInput.java
*
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/test/TestHdfsHelper.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesWritableOutput.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/MD5Hash.java
*
hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/util/DistCpUtils.java
*
hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/typedbytes/TypedBytesWritableInput.java
*
hadoop-common-project/hadoop-kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KMSMDCFilter.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/pipes/PipesPartitioner.java
*
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/lib/servlet/ServerWebApp.java
> ThreadLocal initialization in several classes is not thread safe
> ----------------------------------------------------------------
>
> Key: HADOOP-11969
> URL: https://issues.apache.org/jira/browse/HADOOP-11969
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Critical
> Labels: thread-safety
> Fix For: 2.8.0
>
> Attachments: HADOOP-11969.1.patch, HADOOP-11969.2.patch,
> HADOOP-11969.3.patch, HADOOP-11969.4.patch, HADOOP-11969.5.patch
>
>
> Right now, the initialization of hte thread local factories for encoder /
> decoder in Text are not marked final. This means they end up with a static
> initializer that is not guaranteed to be finished running before the members
> are visible.
> Under heavy contention, this means during initialization some users will get
> an NPE:
> {code}
> (2015-05-05 08:58:03.974 : solr_server_log.log)
> org.apache.solr.common.SolrException; null:java.lang.NullPointerException
> at org.apache.hadoop.io.Text.decode(Text.java:406)
> at org.apache.hadoop.io.Text.decode(Text.java:389)
> at org.apache.hadoop.io.Text.toString(Text.java:280)
> at org.apache.hadoop.hdfs.protocolPB.PBHelper.convert(PBHelper.java:764)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.buildBaseHeader(DataTransferProtoUtil.java:81)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.buildClientHeader(DataTransferProtoUtil.java:71)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.Sender.readBlock(Sender.java:101)
> at
> org.apache.hadoop.hdfs.RemoteBlockReader2.newBlockReader(RemoteBlockReader2.java:400)
> at
> org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReader(BlockReaderFactory.java:785)
> at
> org.apache.hadoop.hdfs.BlockReaderFactory.getRemoteBlockReaderFromTcp(BlockReaderFactory.java:663)
> at
> org.apache.hadoop.hdfs.BlockReaderFactory.build(BlockReaderFactory.java:327)
> at
> org.apache.hadoop.hdfs.DFSInputStream.actualGetFromOneDataNode(DFSInputStream.java:1027)
> at
> org.apache.hadoop.hdfs.DFSInputStream.fetchBlockByteRange(DFSInputStream.java:974)
> at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1305)
> at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:78)
> at
> org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:107)
> ... SNIP...
> {code}
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