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https://issues.apache.org/jira/browse/HDFS-13300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411414#comment-16411414
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Elek, Marton commented on HDFS-13300:
-------------------------------------
A separated issue, but I got NPE when I tested patch v3
{code}
datanode_1 | 2018-03-23 13:43:19 WARN DataNode:981 - ServicePlugin
org.apache.hadoop.ozone.HdslDatanodeService@2a492f2a could not be started
datanode_1 | java.lang.NullPointerException
datanode_1 | at
org.apache.hadoop.hdsl.protocol.DatanodeDetails.getRatisPort(DatanodeDetails.java:198)
datanode_1 | at
org.apache.ratis.RatisHelper.toRaftPeerIdString(RatisHelper.java:51)
datanode_1 | at
org.apache.ratis.RatisHelper.toRaftPeerId(RatisHelper.java:59)
datanode_1 | at
org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.<init>(XceiverServerRatis.java:96)
datanode_1 | at
org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.newXceiverServerRatis(XceiverServerRatis.java:181)
datanode_1 | at
org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer.<init>(OzoneContainer.java:122)
datanode_1 | at
org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.<init>(DatanodeStateMachine.java:81)
datanode_1 | at
org.apache.hadoop.ozone.HdslDatanodeService.start(HdslDatanodeService.java:60)
datanode_1 | at
org.apache.hadoop.hdfs.server.datanode.DataNode.startPlugins(DataNode.java:978)
datanode_1 | at
org.apache.hadoop.hdfs.server.datanode.DataNode.runDatanodeDaemon(DataNode.java:2643)
datanode_1 | at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2733)
datanode_1 | at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2875)
datanode_1 | at
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2899)
{code}
My only change is that I added a
{code}
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
{code} to the beginning of ObjectStoreRestPlugin.start (To test some very rare
race conditions)
> Ozone: Remove DatanodeID dependency from HDSL and Ozone
> --------------------------------------------------------
>
> Key: HDFS-13300
> URL: https://issues.apache.org/jira/browse/HDFS-13300
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Nanda kumar
> Assignee: Nanda kumar
> Priority: Major
> Attachments: HDFS-13300-HDFS-7240.000.patch,
> HDFS-13300-HDFS-7240.001.patch, HDFS-13300-HDFS-7240.002.patch,
> HDFS-13300-HDFS-7240.003.patch
>
>
> DatanodeID has been modified to add HDSL/Ozone related information
> previously. This jira is to remove DatanodeID dependency from HDSL/Ozone to
> make it truly pluggable without having the need to modify DatanodeID.
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