[JBoss JIRA] (ISPN-3164) Replacing entry via Memcached does not increment version of original HotRod entry
7:45 a.m.
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https://issues.jboss.org/browse/ISPN-3164?page=com.atlassian.jira.plugin....
]
Martin Gencur commented on ISPN-3164:
-------------------------------------
As you might expect, replacing the entry via REST results in NPE on the last HotRod
client's call:
{code}
org.infinispan.client.hotrod.exceptions.HotRodClientException:Request for message id[5]
returned server error (status=0x85): java.lang.NullPointerException
at
org.infinispan.client.hotrod.impl.protocol.Codec10.checkForErrorsInResponseStatus(Codec10.java:162)
at org.infinispan.client.hotrod.impl.protocol.Codec10.readHeader(Codec10.java:118)
at
org.infinispan.client.hotrod.impl.operations.HotRodOperation.readHeaderAndValidate(HotRodOperation.java:78)
at
org.infinispan.client.hotrod.impl.operations.AbstractKeyOperation.sendKeyOperation(AbstractKeyOperation.java:74)
at
org.infinispan.client.hotrod.impl.operations.GetWithVersionOperation.executeOperation(GetWithVersionOperation.java:58)
at
org.infinispan.client.hotrod.impl.operations.GetWithVersionOperation.executeOperation(GetWithVersionOperation.java:45)
at
org.infinispan.client.hotrod.impl.operations.RetryOnFailureOperation.execute(RetryOnFailureOperation.java:68)
at
org.infinispan.client.hotrod.impl.RemoteCacheImpl.getVersioned(RemoteCacheImpl.java:159)
at
org.infinispan.it.compatibility.EmbeddedRestMemcachedHotRodTest.testHotRodPutMemcachedReplaceHotRodGetVersionedTest(EmbeddedRestMemcachedHotRodTest.java:204)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
{code}
This is perhaps for a separate JIRA? If we don't fix it, we should at least document
that this does not work. But in order to have fully compatible endpoints, it would be nice
to fix this.
Replacing entry via Memcached does not increment version of original
HotRod entry
---------------------------------------------------------------------------------
Key: ISPN-3164
URL: https://issues.jboss.org/browse/ISPN-3164
Project: Infinispan
Issue Type: Bug
Affects Versions: 5.3.0.CR1
Reporter: Martin Gencur
Assignee: Galder Zamarreño
Fix For: 5.3.0.Final
When an entry is stored via HotRod and later replaced by Memcached (or Embedded, it does
not matter), the version of the entry does not change. This makes operations like
replaceWithVersion of HotRod client unreliable in compatibility mode.
{code:java}
public void testHotRodPutMemcachedReplaceHotRodGetVersionedTest() throws Exception {
final String key1 = "6";
// 1. Put with Hot Rod
RemoteCache<String, Object> remote = cacheFactory.getHotRodCache();
assertEquals(null, remote.withFlags(Flag.FORCE_RETURN_VALUE).put(key1,
"v1"));
VersionedValue oldValue = remote.getVersioned(key1);
// 2. Replace with Memcached
Future<Boolean> f = cacheFactory.getMemcachedClient().set(key1, 0,
"v2");
assertTrue(f.get(60, TimeUnit.SECONDS));
// 3. Get with HotRod
assertEquals("v2", remote.getVersioned(key1).getValue());
assertTrue("The entry version should have changed", oldValue.getVersion()
!= remote.getVersioned(key1).getVersion());
//^^^ fails here
}
{code}
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Martin Gencur (JIRA)