[infinispan-issues] [JBoss JIRA] (ISPN-3348) Unable to read entries from SingleFileCacheStore after server restart

[Martin Gencur (JIRA)]

Martin Gencur created ISPN-3348:
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             Summary: Unable to read entries from SingleFileCacheStore after server restart
                 Key: ISPN-3348
                 URL: https://issues.jboss.org/browse/ISPN-3348
             Project: Infinispan
          Issue Type: Bug
          Components: Server
    Affects Versions: 6.0.0.Alpha1
            Reporter: Martin Gencur
            Assignee: Tristan Tarrant


Using the following configuration:
{code:xml}
<subsystem xmlns="urn:infinispan:server:core:5.3" default-cache-container="default">
            <cache-container name="default" default-cache="default" listener-executor="infinispan-listener" eviction-executor="infinispan-eviction" replication-queue-executor="infinispan-repl-queue">
                <local-cache name="default" start="EAGER">
                    <locking isolation="NONE" acquire-timeout="30000" concurrency-level="1000" striping="false"/>
                    <transaction mode="NONE"/>
                    <store class="org.infinispan.loaders.file.SingleFileCacheStore" passivation="false" preload="false" purge="false">
                        <property name="location">${java.io.tmpdir}/single-file-cache-store</property>
                        <property name="maxEntries">2</property>
                    </store>
                </local-cache>
            </cache-container>
        </subsystem>
{code}

...it is not possible to retrieve the cache entry from the cache store after server restart, as demonstrated by the following test:
{code:java}
RemoteCache<String, String> rc = rcm.getCache();
        rc.clear();
        assertNull(rc.get("k1"));
        rc.put("k1", "v1");
        rc.put("k2", "v2");
        rc.put("k3", "v3");
        assertEquals("v1", rc.get("k1"));
        assertEquals("v2", rc.get("k2"));
        assertEquals("v3", rc.get("k3"));
        controller.kill(CONTAINER);
        controller.start(CONTAINER);
        assertEquals("v2", rc.get("k2"));
//^^^fails here - unable to find k2

        assertEquals("v3", rc.get("k3"));
        assertNull(rc.get("k1")); //maxEntries was 2, this entry should be lost as the oldest entries are removed
        controller.stop(CONTAINER);
{code}

Note that preload is set to false for this test. When I set it to true, the test passes.

I tried to modify BaseCacheStoreFunctionalTest#testPreloadAndExpiry, disable "preload" and retrieve the cache entries after server restart by calling cache.get() (not from DataContainer) and the test passed (I ran SingleFileCacheStoreFunctionalTest which extends BaseCacheStoreFunctionalTest). So it seems the bug is related to the server distribution.

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