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Posted to issues@geode.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/12/06 11:43:01 UTC

[jira] [Commented] (GEODE-3937) Fix NPE when executing removeFromDisk

    [ https://issues.apache.org/jira/browse/GEODE-3937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16280064#comment-16280064 ] 

ASF GitHub Bot commented on GEODE-3937:
---------------------------------------

dineshpune2006 closed pull request #1002: GEODE-3937:Fix NPE when executing removeFromDisk
URL: https://github.com/apache/geode/pull/1002
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/entries/DiskEntry.java b/geode-core/src/main/java/org/apache/geode/internal/cache/entries/DiskEntry.java
index 210d76bca8..3eee43a341 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/entries/DiskEntry.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/entries/DiskEntry.java
@@ -713,7 +713,6 @@ public static boolean wrapOffHeapReference(Object o) {
       if (o instanceof StoredObject) {
         StoredObject so = (StoredObject) o;
         if (so.hasRefCount()) {
-          //
           return true;
         }
       }
@@ -1382,8 +1381,9 @@ public static void handleFullAsyncQueue(DiskEntry entry, LocalRegion region, Ver
     }
 
     public static void doAsyncFlush(VersionTag tag, LocalRegion region) {
-      if (region.isThisRegionBeingClosedOrDestroyed())
+      if (region.isThisRegionBeingClosedOrDestroyed()) {
         return;
+      }
       DiskRegion dr = region.getDiskRegion();
       if (!dr.isBackup()) {
         return;
@@ -1415,8 +1415,9 @@ public static void doAsyncFlush(DiskEntry entry, LocalRegion region, VersionTag
      */
     private static void writeEntryToDisk(DiskEntry entry, LocalRegion region, VersionTag tag,
         boolean asyncQueueWasFull) {
-      if (region.isThisRegionBeingClosedOrDestroyed())
+      if (region.isThisRegionBeingClosedOrDestroyed()) {
         return;
+      }
       DiskRegion dr = region.getDiskRegion();
       if (!asyncQueueWasFull) {
         dr.setClearCountReference();
@@ -1510,6 +1511,9 @@ public static void removeFromDisk(DiskEntry entry, LocalRegion region, boolean i
         throws RegionClearedException {
       DiskRegion dr = region.getDiskRegion();
       DiskId did = entry.getDiskId();
+      if (dr == null) {
+        return;
+      }
       Object syncObj = did;
       if (did == null) {
         syncObj = entry;
diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ConcurrentParallelGatewaySenderQueue.java b/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ConcurrentParallelGatewaySenderQueue.java
index c9251660f3..f50c775983 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ConcurrentParallelGatewaySenderQueue.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ConcurrentParallelGatewaySenderQueue.java
@@ -226,4 +226,13 @@ public long getNumEntriesOverflowOnDiskTestOnly() {
     return ((ParallelGatewaySenderQueue) (processors[0].getQueue()))
         .getNumEntriesOverflowOnDiskTestOnly();
   }
+
+  public void clearQueueTestOnly() {
+    for (int i = 0; i < processors.length; i++) {
+
+      ((ParallelGatewaySenderQueue) this.processors[i].getQueue()).clearQueueTestOnly();
+    }
+
+
+  }
 }
diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderQueue.java b/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderQueue.java
index f8771f761a..d17c8c713a 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderQueue.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderQueue.java
@@ -87,6 +87,10 @@
 import org.apache.geode.internal.size.SingleObjectSizer;
 import org.apache.geode.internal.util.concurrent.StoppableCondition;
 import org.apache.geode.internal.util.concurrent.StoppableReentrantLock;
+import org.apache.geode.cache.partition.PartitionRegionHelper;
+import org.apache.geode.internal.cache.LocalDataSet;
+import org.apache.geode.internal.cache.ProxyBucketRegion;
+import org.apache.geode.internal.cache.partitioned.Bucket;
 
 public class ParallelGatewaySenderQueue implements RegionQueue {
 
@@ -1781,4 +1785,40 @@ ParallelGatewaySenderQueueMetaRegion newMetataRegion(InternalCache cache, final
       return meta;
     }
   }
+
+
+
+  public void clearQueueTestOnly() {
+
+    this.sender.pause();// it wil take internal read-write-lock
+    try {
+      for (PartitionedRegion prQ : this.userRegionNameToshadowPRMap.values()) {
+        clearPartitionedRegionTestOnly((PartitionedRegion) prQ);
+      }
+    } finally {
+      if (this.sender.isPaused())
+        this.sender.resume();
+    }
+  }
+
+  // clear the partition region
+  private void clearPartitionedRegionTestOnly(PartitionedRegion partitionedRegion) {
+    LocalDataSet lds = (LocalDataSet) PartitionRegionHelper.getLocalPrimaryData(partitionedRegion);
+    Set<Integer> set = lds.getBucketSet(); // this returns bucket ids in the function context
+    for (Integer bucketId : set) {
+      Bucket bucket = partitionedRegion.getRegionAdvisor().getBucket(bucketId);
+      if ((bucket instanceof ProxyBucketRegion == false) && bucket instanceof BucketRegion) {
+        BucketRegion bucketRegion = (BucketRegion) bucket;
+        clearBucketRegionTestOnly(bucketRegion);
+      }
+    }
+  }
+
+  private void clearBucketRegionTestOnly(BucketRegion bucketRegion) {
+    Set keySet = bucketRegion.keySet();
+    for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
+      Object key = iterator.next();
+      bucketRegion.remove(key);
+    }
+  }
 }
diff --git a/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/WANTestBase.java b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/WANTestBase.java
index f3d035824a..ee6d67b039 100644
--- a/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/WANTestBase.java
+++ b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/WANTestBase.java
@@ -298,6 +298,35 @@ public static Integer createFirstPeerLocator(int dsId) {
     return port;
   }
 
+  public static void clearGatewaySender(String senderId) {
+
+    Set<GatewaySender> senders = cache.getGatewaySenders();
+    AbstractGatewaySender sender = null;
+    for (GatewaySender s : senders) {
+      if (s.getId().equals(senderId)) {
+        sender = (AbstractGatewaySender) s;
+        ConcurrentParallelGatewaySenderQueue r =
+            (ConcurrentParallelGatewaySenderQueue) sender.getQueue();
+        r.clearQueueTestOnly();
+        break;
+      }
+    }
+  }
+
+  public static Boolean isSenderPaused(String senderId) {
+    Boolean isPaused = false;
+    Set<GatewaySender> senders = cache.getGatewaySenders();
+    AbstractGatewaySender sender = null;
+    for (GatewaySender s : senders) {
+      if (s.getId().equals(senderId)) {
+        sender = (AbstractGatewaySender) s;
+        isPaused = sender.isPaused();
+        break;
+      }
+    }
+    return isPaused;
+  }
+
   public static Integer createSecondLocator(int dsId, int locatorPort) {
     stopOldLocator();
     WANTestBase test = new WANTestBase();
diff --git a/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/parallel/ClearParallelSenderQueueWhenReceiverNotStartedRegressionTest.java b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/parallel/ClearParallelSenderQueueWhenReceiverNotStartedRegressionTest.java
new file mode 100644
index 0000000000..44932a4b8e
--- /dev/null
+++ b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/parallel/ClearParallelSenderQueueWhenReceiverNotStartedRegressionTest.java
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for additional information regarding
+ * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License. You may obtain a
+ * copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.apache.geode.internal.cache.wan.parallel;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.geode.internal.cache.wan.WANTestBase;
+import org.apache.geode.test.dunit.Wait;
+import org.apache.geode.test.junit.categories.DistributedTest;
+import org.awaitility.Awaitility;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+/**
+ * DUnit for ClearParallelSenderQueueWhenReceiverNotStartedRegressionTest operations. GEODE-3937
+ */
+@Category(DistributedTest.class)
+public class ClearParallelSenderQueueWhenReceiverNotStartedRegressionTest extends WANTestBase {
+
+  @Test
+  public void testParallelSenderQueueEventsOverflow_NoDiskStoreSpecified() throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId(1));
+    Integer nyPort = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator(2, lnPort));
+
+    createCacheInVMs(nyPort, vm2);// backup-vm is not started in this regression
+    createReceiverInVMs(vm2);
+
+    createCacheInVMs(lnPort, vm4);// backup-vm is not started in this regression
+
+    vm4.invoke(() -> WANTestBase.createSenderWithoutDiskStore("ln", 2, 10, 10, false, true));
+
+    vm4.invoke(
+        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), "ln", 1, 100, isOffHeap()));
+
+    startSenderInVMs("ln", vm4);
+
+    vm4.invoke(() -> WANTestBase.pauseSender("ln"));
+
+    // give some time for the senders to pause
+    Awaitility.await().atMost(1, TimeUnit.MINUTES)
+        .until(() -> vm4.invoke(() -> WANTestBase.isSenderPaused("ln")));
+
+    vm2.invoke(
+        () -> WANTestBase.createPartitionedRegion(getTestMethodName(), null, 1, 100, isOffHeap()));
+
+    int numEventPuts = 50;
+    vm4.invoke(() -> WANTestBase.doHeavyPuts(getTestMethodName(), numEventPuts));
+
+    long numOvVm4 = (Long) vm4.invoke(() -> WANTestBase.getNumberOfEntriesOverflownToDisk("ln"));
+    long numMemVm4 = (Long) vm4.invoke(() -> WANTestBase.getNumberOfEntriesInVM("ln"));
+
+    assertEquals("Total number of entries  in VM4 is incorrect", (numEventPuts * 1),
+        (numOvVm4 + numMemVm4));
+
+    // clear the queue
+    vm4.invoke(() -> WANTestBase.clearGatewaySender("ln"));
+
+    vm4.invoke(() -> WANTestBase.resumeSender("ln"));
+
+    Awaitility.await().atMost(60, TimeUnit.SECONDS).until(() -> {
+
+      int numMemVm2 = vm2.invoke(() -> WANTestBase.getRegionSize(getTestMethodName()));
+
+      assertEquals("Total number of entries  in VM2 is incorrect", 0, numMemVm2);
+
+    });
+
+  }
+
+
+}


 

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> Fix NPE when executing  removeFromDisk
> --------------------------------------
>
>                 Key: GEODE-3937
>                 URL: https://issues.apache.org/jira/browse/GEODE-3937
>             Project: Geode
>          Issue Type: Bug
>          Components: wan
>            Reporter: dinesh akhand
>            Priority: Trivial
>
> While executing the test case or clearQueueTestOnly method. we can see exception
> [vm4] java.lang.NullPointerException
> [vm4] 	at org.apache.geode.internal.cache.entries.DiskEntry$Helper.removeFromDisk(DiskEntry.java:1519)
> [vm4] 	at org.apache.geode.internal.cache.entries.AbstractOplogDiskRegionEntry.removePhase1(AbstractOplogDiskRegionEntry.java:50)
> [vm4] 	at org.apache.geode.internal.cache.entries.AbstractRegionEntry.destroy(AbstractRegionEntry.java:914)
> [vm4] 	at org.apache.geode.internal.cache.AbstractRegionMap.destroyEntry(AbstractRegionMap.java:3100)
> [vm4] 	at org.apache.geode.internal.cache.AbstractRegionMap.destroy(AbstractRegionMap.java:1429)
> [vm4] 	at org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:6465)
> [vm4] 	at org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:6439)
> [vm4] 	at org.apache.geode.internal.cache.BucketRegion.basicDestroy(BucketRegion.java:1167)
> [vm4] 	at org.apache.geode.internal.cache.AbstractBucketRegionQueue.basicDestroy(AbstractBucketRegionQueue.java:352)
> [vm4] 	at org.apache.geode.internal.cache.BucketRegionQueue.basicDestroy(BucketRegionQueue.java:366)
> [vm4] 	at org.apache.geode.internal.cache.LocalRegion.validatedDestroy(LocalRegion.java:1101)
> [vm4] 	at org.apache.geode.internal.cache.DistributedRegion.validatedDestroy(DistributedRegion.java:942)
> [vm4] 	at org.apache.geode.internal.cache.LocalRegion.destroy(LocalRegion.java:1086)
> [vm4] 	at org.apache.geode.internal.cache.AbstractRegion.destroy(AbstractRegion.java:315)
> [vm4] 	at org.apache.geode.internal.cache.LocalRegion.remove(LocalRegion.java:8870)
> [vm4] 	at org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueue.clearPartitionedRegion(ParallelGatewaySenderQueue.java:1820)
> [vm4] 	at org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueue.clearQueue(ParallelGatewaySenderQueue.java:1795)
> [vm4] 	at org.apache.geode.internal.cache.wan.parallel.ConcurrentParallelGatewaySenderQueue.clearQueue(ConcurrentParallelGatewaySenderQueue.java:236)
> [vm4] 	at org.apache.geode.internal.cache.wan.WANTestBase.clearGatewaySender(WANTestBase.java:256)
> [vm4] 	at org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueueOverflowDUnitTest.lambda$8(ParallelGatewaySenderQueueOverflowDUnitTest.java:96)
> [vm4] 	at org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueueOverflowDUnitTest$$Lambda$42/144498586.run(Unknown Source)
> [vm4] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)



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