Yun Zhao created HBASE-18529:
--------------------------------
Summary: Do not delete the tmp jars dir when load the coprocessor
jar
Key: HBASE-18529
URL: https://issues.apache.org/jira/browse/HBASE-18529
Project: HBase
Issue Type: Bug
Reporter: Yun Zhao
When multi regionserver is deployed on a single server, used default
hbase.local.dir . The tmp jars dir will deleted when one of them is restarted.
Also when multi regionserver start at the same time, the jar in the
copyToLocalFile process may be deleted, causing the coprocessor load failed.
{code}
2017-08-06 20:02:15,326 ERROR [RS_OPEN_REGION-xxxx-2]
regionserver.RegionCoprocessorHost: Failed to load coprocessor xxxx
ENOENT: No such file or directory
at org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmodImpl(Native Method)
at org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmod(NativeIO.java:226)
at
org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:629)
at
org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:467)
at
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:456)
at
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:424)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:906)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:887)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:784)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:365)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:289)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1968)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1937)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1913)
at
org.apache.hadoop.hbase.util.CoprocessorClassLoader.init(CoprocessorClassLoader.java:168)
at
org.apache.hadoop.hbase.util.CoprocessorClassLoader.getClassLoader(CoprocessorClassLoader.java:250)
{code}
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