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https://issues.apache.org/jira/browse/HADOOP-14511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge updated HADOOP-14511:
--------------------------------
Attachment: HADOOP-14511.001.patch
Patch 001
* Do not access parameters if it is null
Testing Done
* TestClientToAMTokens
* TestClientProtocolWithDelegationToken
> WritableRpcEngine.Invocation#toString NPE on null parameters
> ------------------------------------------------------------
>
> Key: HADOOP-14511
> URL: https://issues.apache.org/jira/browse/HADOOP-14511
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 2.8.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Attachments: HADOOP-14511.001.patch
>
>
> WritableRpcEngine.Invocation#toString will throw NPE if {{parameters}} is
> null:
> {code:title=WritableRpcEngine.Invocation#toString}
> buffer.append(methodName);
> buffer.append("(");
> for (int i = 0; i < parameters.length; i++) {
> if (i != 0)
> buffer.append(", ");
> buffer.append(parameters[i]);
> }
> buffer.append(")");
> {code}
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