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HBASE-19608 Race in MasterRpcServices.getProcedureResult

This commit is contained in:
zhangduo 2017-12-25 10:45:35 +08:00
parent 93870dc08d
commit 33f2e6535c
1 changed files with 19 additions and 25 deletions
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44
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
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@ -70,6 +70,7 @@ import org.apache.hadoop.hbase.procedure.MasterProcedureManager;
import org.apache.hadoop.hbase.procedure2.LockType;
import org.apache.hadoop.hbase.procedure2.LockedResource;
import org.apache.hadoop.hbase.procedure2.Procedure;
import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
import org.apache.hadoop.hbase.procedure2.ProcedureUtil;
import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService;
import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsService;
@ -1153,35 +1154,28 @@ public class MasterRpcServices extends RSRpcServices
try {
master.checkInitialized();
GetProcedureResultResponse.Builder builder = GetProcedureResultResponse.newBuilder();
Procedure<?> result = master.getMasterProcedureExecutor()
.getResultOrProcedure(request.getProcId());
if (result == null) {
builder.setState(GetProcedureResultResponse.State.NOT_FOUND);
} else {
boolean remove = false;
if (result.isFinished() || result.isFailed()) {
long procId = request.getProcId();
ProcedureExecutor<?> executor = master.getMasterProcedureExecutor();
Procedure<?> result = executor.getResultOrProcedure(procId);
if (result != null) {
builder.setSubmittedTime(result.getSubmittedTime());
builder.setLastUpdate(result.getLastUpdate());
if (executor.isFinished(procId)) {
builder.setState(GetProcedureResultResponse.State.FINISHED);
remove = true;
if (result.isFailed()) {
IOException exception = result.getException().unwrapRemoteIOException();
builder.setException(ForeignExceptionUtil.toProtoForeignException(exception));
}
byte[] resultData = result.getResult();
if (resultData != null) {
builder.setResult(UnsafeByteOperations.unsafeWrap(resultData));
}
master.getMasterProcedureExecutor().removeResult(request.getProcId());
} else {
builder.setState(GetProcedureResultResponse.State.RUNNING);
}
builder.setSubmittedTime(result.getSubmittedTime());
builder.setLastUpdate(result.getLastUpdate());
if (result.isFailed()) {
IOException exception = result.getException().unwrapRemoteIOException();
builder.setException(ForeignExceptionUtil.toProtoForeignException(exception));
}
byte[] resultData = result.getResult();
if (resultData != null) {
builder.setResult(UnsafeByteOperations.unsafeWrap(resultData));
}
if (remove) {
master.getMasterProcedureExecutor().removeResult(request.getProcId());
}
} else {
builder.setState(GetProcedureResultResponse.State.NOT_FOUND);
}
return builder.build();
} catch (IOException e) {