Duong created HDDS-10780:
----------------------------

             Summary: NullPointerException in watchForCommit
                 Key: HDDS-10780
                 URL: https://issues.apache.org/jira/browse/HDDS-10780
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Duong



{code:java}
java.lang.NullPointerException
        at 
java.base/java.util.stream.ReferencePipeline$5$1.accept(ReferencePipeline.java:229)
        at 
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
        at 
java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1654)
        at 
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
        at 
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
        at 
java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
        at 
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.LongPipeline.reduce(LongPipeline.java:479)
        at java.base/java.util.stream.LongPipeline.min(LongPipeline.java:437)
        at 
org.apache.hadoop.hdds.scm.XceiverClientRatis.updateCommitInfosMap(XceiverClientRatis.java:154)
        at java.base/java.util.Optional.map(Optional.java:265)
        at 
org.apache.hadoop.hdds.scm.XceiverClientRatis.updateCommitInfosMap(XceiverClientRatis.java:133)
        at 
org.apache.hadoop.hdds.scm.XceiverClientRatis.watchForCommit(XceiverClientRatis.java:280)
        at 
org.apache.hadoop.hdds.scm.storage.AbstractCommitWatcher.watchForCommit(AbstractCommitWatcher.java:142)
        at 
org.apache.hadoop.hdds.scm.storage.AbstractCommitWatcher.watchOnFirstIndex(AbstractCommitWatcher.java:104)
        at 
org.apache.hadoop.hdds.scm.storage.RatisBlockOutputStream.sendWatchForCommit(RatisBlockOutputStream.java:106)
        at 
org.apache.hadoop.hdds.scm.storage.BlockOutputStream.watchForCommit(BlockOutputStream.java:418)
        at 
org.apache.hadoop.hdds.scm.storage.BlockOutputStream.waitForFlushAndCommit(BlockOutputStream.java:389)
        at 
org.apache.hadoop.hdds.scm.storage.BlockOutputStream.handleFullBuffer(BlockOutputStream.java:376)
        at 
org.apache.hadoop.hdds.scm.storage.BlockOutputStream.doFlushOrWatchIfNeeded(BlockOutputStream.java:310)
        at 
org.apache.hadoop.hdds.scm.storage.BlockOutputStream.write(BlockOutputStream.java:294)
        at 
org.apache.hadoop.ozone.client.io.BlockOutputStreamEntry.write(BlockOutputStreamEntry.java:137)
        at 
org.apache.hadoop.ozone.client.io.KeyOutputStream.writeToOutputStream(KeyOutputStream.java:250)
        at 
org.apache.hadoop.ozone.client.io.KeyOutputStream.handleWrite(KeyOutputStream.java:228)
        at 
org.apache.hadoop.ozone.client.io.KeyOutputStream.write(KeyOutputStream.java:208)
        at 
org.apache.hadoop.ozone.client.io.OzoneOutputStream.write(OzoneOutputStream.java:94)
        at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1484)
        at org.apache.commons.io.IOUtils.copy(IOUtils.java:1107)
        at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1456)
        at 
org.apache.hadoop.ozone.s3.endpoint.ObjectEndpoint.put(ObjectEndpoint.java:328)
        at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
{code}




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