[
https://issues.apache.org/jira/browse/HADOOP-11969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544226#comment-14544226
]
Hadoop QA commented on HADOOP-11969:
------------------------------------
\\
\\
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 14m 46s | Pre-patch trunk compilation is
healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 3 new or modified test files. |
| {color:red}-1{color} | javac | 6m 38s | The patch appears to cause the
build to fail. |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12732925/HADOOP-11969.2.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 15ccd96 |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/6691/console |
This message was automatically generated.
> 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
> Attachments: HADOOP-11969.1.patch, HADOOP-11969.2.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}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
