java.lang.NoClassDefFoundError

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  • java.lang.NoClassDefFoundError: net/sf/ehcache/concurrent/ConcurrencyUtil at net.sf.ehcache.store.DiskStore.selectRandomAccessFile(DiskStore.java:328) at net.sf.ehcache.store.DiskStore.loadElementFromDiskElement(DiskStore.java:333) at net.sf.ehcache.store.DiskStore.expireElements(DiskStore.java:992) at net.sf.ehcache.store.DiskStore.throwableSafeExpireElementsIfRequired(DiskStore.java:691) at net.sf.ehcache.store.DiskStore.spoolAndExpiryThreadMain(DiskStore.java:679) at net.sf.ehcache.store.DiskStore.access$900(DiskStore.java:74) at net.sf.ehcache.store.DiskStore$SpoolAndExpiryThread.run(DiskStore.java:1170)
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