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Hudson commented on HDFS-12832: ------------------------------- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13288 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/13288/]) HDFS-12832. INode.getFullPathName may throw (shv: rev d331762f24b3f22f609366740c9c4f449edc61ac) * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ErasureCodingWork.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ReplicationWork.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockReconstructionWork.java > INode.getFullPathName may throw ArrayIndexOutOfBoundsException lead to > NameNode exit > ------------------------------------------------------------------------------------ > > Key: HDFS-12832 > URL: https://issues.apache.org/jira/browse/HDFS-12832 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.7.4, 3.0.0-beta1 > Reporter: DENG FEI > Assignee: Konstantin Shvachko > Priority: Critical > Labels: release-blocker > Fix For: 2.7.5, 3.1.0, 2.10.0, 2.9.1, 3.0.1, 2.8.4 > > Attachments: HDFS-12832-branch-2.002.patch, > HDFS-12832-branch-2.7.002.patch, HDFS-12832-trunk-001.patch, > HDFS-12832.002.patch, exception.log > > > {code:title=INode.java|borderStyle=solid} > public String getFullPathName() { > // Get the full path name of this inode. > if (isRoot()) { > return Path.SEPARATOR; > } > // compute size of needed bytes for the path > int idx = 0; > for (INode inode = this; inode != null; inode = inode.getParent()) { > // add component + delimiter (if not tail component) > idx += inode.getLocalNameBytes().length + (inode != this ? 1 : 0); > } > byte[] path = new byte[idx]; > for (INode inode = this; inode != null; inode = inode.getParent()) { > if (inode != this) { > path[--idx] = Path.SEPARATOR_CHAR; > } > byte[] name = inode.getLocalNameBytes(); > idx -= name.length; > System.arraycopy(name, 0, path, idx, name.length); > } > return DFSUtil.bytes2String(path); > } > {code} > We found ArrayIndexOutOfBoundsException at > _{color:#707070}System.arraycopy(name, 0, path, idx, name.length){color}_ > when ReplicaMonitor work ,and the NameNode will quit. > It seems the two loop is not synchronized, the path's length is changed. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org