[infinispan-issues] [JBoss JIRA] (ISPN-5596) "Cannot clear data directory" in SoftIndexFileStore when clear() is called after stopping and restarting cache

[Andreas Pabst (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-5596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Pabst updated ISPN-5596:
--------------------------------
    Steps to Reproduce: run test case from attached file which basically repeatedly clears the cache, fills it, stops it and restarts it.  (was: public class SoftIndexCacheStoreTest {

    public static final EmbeddedCacheManager MANAGER = new DefaultCacheManager();

    public static void main(String args[]) throws Exception {
        Cache<Integer, String> testCache = createCache();
        clearFillStopAndStartAgain(testCache);
        clearFillStopAndStartAgain(testCache);
        testCache.stop();
        MANAGER.stop();
    }

    private static void clearFillStopAndStartAgain(Cache<Integer, String> testCache) {
        System.out.println("cache status: " + testCache.getStatus());
        testCache.clear();
        for (int i = 0; i < 100; i++) {
            testCache.put(i, "the value for " + i);
        }
        testCache.stop();
        System.out.println("cache status: " + testCache.getStatus());
        testCache.start();
    }

    private static Cache<Integer, String> createCache() {
        System.out.println("Defining cache config");
        MANAGER.defineConfiguration("soft-index-test-cache", new ConfigurationBuilder()
                .persistence().addStore(SoftIndexFileStoreConfigurationBuilder.class)
                .indexLocation("soft-index-test/index").dataLocation("soft-index-test/data")
                .eviction().strategy(EvictionStrategy.LRU).maxEntries(50L)
                .build());
        System.out.println("Getting cache");
        return MANAGER.getCache("soft-index-test-cache");
    }

}
)


> "Cannot clear data directory" in SoftIndexFileStore when clear() is called after stopping and restarting cache
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: ISPN-5596
>                 URL: https://issues.jboss.org/browse/ISPN-5596
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores
>    Affects Versions: 7.2.3.Final
>         Environment: Windows 7
>            Reporter: Andreas Pabst
>            Assignee: Radim Vansa
>         Attachments: SoftIndexFileStoreTest.java, test.log
>
>
> When stopping and restarting a cache with SoftIndexFileStore persistence, it behaves strangely. 
> Calling cache.clear() leads to the following exception:
> ERROR: ISPN000136: Execution error
> org.infinispan.persistence.spi.PersistenceException: Cannot clear data directory!
> 	at org.infinispan.persistence.sifs.SoftIndexFileStore.clear(SoftIndexFileStore.java:234)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.clearAllStores(PersistenceManagerImpl.java:372)
> 	at org.infinispan.interceptors.CacheWriterInterceptor.visitClearCommand(CacheWriterInterceptor.java:158)
> ...
> Caused by: java.io.IOException: Cannot delete file soft-index-test\data\2
> 	at org.infinispan.persistence.sifs.FileProvider.clear(FileProvider.java:205)
> 	at org.infinispan.persistence.sifs.SoftIndexFileStore.clear(SoftIndexFileStore.java:232)
> If the manager is also stopped and recreated every time, this only happens after the third iteration.
> Calling cache.remove() in the same place leads to an unrecoverable corruption of the cache store files: java.lang.IllegalArgumentException: Negative position



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