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From esh...@apache.org
Subject [geode] branch develop updated: GEODE-5312: Cleanup transaction if it is removed by the client tx failover (#2047)
Date Mon, 11 Jun 2018 22:39:42 GMT
This is an automated email from the ASF dual-hosted git repository.

eshu11 pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/geode.git


The following commit(s) were added to refs/heads/develop by this push:
     new ca1f3bf  GEODE-5312: Cleanup transaction if it is removed by the client tx failover
(#2047)
ca1f3bf is described below

commit ca1f3bf8dd58c610766c3a585649ed90cccbe607
Author: pivotal-eshu <eshu@pivotal.io>
AuthorDate: Mon Jun 11 15:39:21 2018 -0700

    GEODE-5312: Cleanup transaction if it is removed by the client tx failover (#2047)
    
    *  GEODE-5312: Cleanup transaction if it is removed by the client tx failover.
---
 .../apache/geode/internal/cache/TXManagerImpl.java | 17 ++++++++++++++
 .../org/apache/geode/internal/cache/TXState.java   |  4 ++++
 .../geode/internal/cache/TXManagerImplTest.java    | 27 ++++++++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java b/geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java
index efe1a10..c5c7653 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java
@@ -1017,11 +1017,24 @@ public class TXManagerImpl implements CacheTransactionManager, MembershipListene
    */
   public void unmasquerade(TXStateProxy tx) {
     if (tx != null) {
+      cleanupTransactionIfNoLongerHost(tx);
       setTXState(null);
       tx.getLock().unlock();
     }
   }
 
+  private void cleanupTransactionIfNoLongerHost(TXStateProxy tx) {
+    synchronized (hostedTXStates) {
+      if (!hostedTXStates.containsKey(tx.getTxId())) {
+        // clean up the transaction if no longer the host of the transaction
+        // this could occur when a failover command removed the transaction.
+        if (tx.isRealDealLocal()) {
+          ((TXStateProxyImpl) tx).getLocalRealDeal().cleanup();
+        }
+      }
+    }
+  }
+
   /**
    * Cleanup the remote txState after commit and rollback
    *
@@ -1858,4 +1871,8 @@ public class TXManagerImpl implements CacheTransactionManager, MembershipListene
     }
   }
 
+  Map<TXId, TXStateProxy> getHostedTXStates() {
+    return hostedTXStates;
+  }
+
 }
diff --git a/geode-core/src/main/java/org/apache/geode/internal/cache/TXState.java b/geode-core/src/main/java/org/apache/geode/internal/cache/TXState.java
index c321896..9768fb8 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/cache/TXState.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/cache/TXState.java
@@ -2064,4 +2064,8 @@ public class TXState implements TXStateInterface {
   public DistributedMember getProxyServer() {
     return this.proxyServer;
   }
+
+  boolean isClosed() {
+    return closed;
+  }
 }
diff --git a/geode-core/src/test/java/org/apache/geode/internal/cache/TXManagerImplTest.java
b/geode-core/src/test/java/org/apache/geode/internal/cache/TXManagerImplTest.java
index 7af4918..cdbc763 100644
--- a/geode-core/src/test/java/org/apache/geode/internal/cache/TXManagerImplTest.java
+++ b/geode-core/src/test/java/org/apache/geode/internal/cache/TXManagerImplTest.java
@@ -337,4 +337,31 @@ public class TXManagerImplTest {
       txMgr.unmasquerade(existingTx);
     }
   }
+
+  @Test
+  public void txStateNotCleanedupIfNotRemovedFromHostedTxStatesMap() {
+    tx1 = txMgr.getOrSetHostedTXState(txid, msg);
+    TXStateProxyImpl txStateProxy = (TXStateProxyImpl) tx1;
+    assertNotNull(txStateProxy);
+    assertFalse(txStateProxy.getLocalRealDeal().isClosed());
+
+    txMgr.masqueradeAs(tx1);
+    txMgr.unmasquerade(tx1);
+    assertFalse(txStateProxy.getLocalRealDeal().isClosed());
+
+  }
+
+  @Test
+  public void txStateCleanedupIfRemovedFromHostedTxStatesMap() {
+    tx1 = txMgr.getOrSetHostedTXState(txid, msg);
+    TXStateProxyImpl txStateProxy = (TXStateProxyImpl) tx1;
+    assertNotNull(txStateProxy);
+    assertFalse(txStateProxy.getLocalRealDeal().isClosed());
+
+    txMgr.masqueradeAs(tx1);
+    // during TX failover, tx can be removed from the hostedTXStates map by FindRemoteTXMessage
+    txMgr.getHostedTXStates().remove(txid);
+    txMgr.unmasquerade(tx1);
+    assertTrue(txStateProxy.getLocalRealDeal().isClosed());
+  }
 }

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