Java Error:

com.hazelcast.nio.serialization.HazelcastSerializationException: Problem while reading DataSerializable, namespace: -4, ID: 3, class: 'null', exception: java.io.FileNotFoundException: /data/www/WEB-INF/lib/mysql-connector-java-5.1.31.jar (No such file or directory)

Stack Trace:

1: com.hazelcast.nio.serialization.HazelcastSerializationException: Problem while reading DataSerializable, namespace: -4, ID: 3, class: 'null', exception: java.io.FileNotFoundException: /data/www/WEB-INF/lib/mysql-connector-java-5.1.31.jar (No such file or directory)
2: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.rethrowReadException(DataSerializableSerializer.java:183)
3: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.readInternal(DataSerializableSerializer.java:164)
4: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:106)
5: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:51)
6: at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:44)
7: at com.hazelcast.internal.serialization.impl.AbstractSerializationService.readObject(AbstractSerializationService.java:357)
8: at com.hazelcast.internal.serialization.InternalSerializationService.readObject(InternalSerializationService.java:81)
9: at com.hazelcast.internal.serialization.impl.ByteArrayObjectDataInput.readObject(ByteArrayObjectDataInput.java:600)
10: at com.hazelcast.spi.impl.operationservice.impl.operations.Backup.readInternal(Backup.java:294)
11: at com.hazelcast.spi.impl.operationservice.Operation.readData(Operation.java:797)
12: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.readInternal(DataSerializableSerializer.java:160)
13: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:106)
14: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:51)
15: at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:44)
16: at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toObject(AbstractSerializationService.java:271)
17: at com.hazelcast.spi.impl.NodeEngineImpl.toObject(NodeEngineImpl.java:395)
18: at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:483)
19: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.process(OperationThread.java:197)
20: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.process(OperationThread.java:137)
21: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.executeRun(OperationThread.java:123)
22: at com.hazelcast.internal.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:102)
23: at ------ submitted from ------.()
24: at com.hazelcast.internal.util.ExceptionUtil.cloneExceptionWithFixedAsyncStackTrace(ExceptionUtil.java:348)
25: at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.returnOrThrowWithGetConventions(InvocationFuture.java:112)
26: at com.hazelcast.spi.impl.operationservice.impl.InvocationFuture.resolveAndThrowIfException(InvocationFuture.java:100)
27: at com.hazelcast.spi.impl.AbstractInvocationFuture.get(AbstractInvocationFuture.java:617)
28: at com.hazelcast.map.impl.proxy.MapProxySupport.invokeOperation(MapProxySupport.java:489)
29: at com.hazelcast.map.impl.proxy.MapProxySupport.putInternal(MapProxySupport.java:427)
30: at com.hazelcast.map.impl.proxy.MapProxyImpl.put(MapProxyImpl.java:138)
31: at com.hazelcast.map.impl.proxy.MapProxyImpl.put(MapProxyImpl.java:128)
32: at tws.webapp.cache.HazelcastCache.add(Unknown Source)
33: at tws.webapp.cache.HazelcastCache.add(Unknown Source)
34: at tws.webapp.cache.HazelcastCache.add(Unknown Source)
35: at tws.base.assignment.UnitAbst.read(Unknown Source)
36: at tws.base.assignment.UnitAbst.getisFolder(Unknown Source)
37: at tws.base.assignment.Unit.getFullName(Unknown Source)
38: at tws.base.assignment.Unit.getShowName(Unknown Source)
39: at tws.base.assignment.Unit.getShowName(Unknown Source)
40: at tws.base.assignment.Unit.getName(Unknown Source)
41: at tws.base.assignment.CmdPublicUnit.execute(Unknown Source)
42: at tws.webapp.Command.execute(Unknown Source)
43: at tws.webapp.CmdExecute.doCmd(Unknown Source)
44: at tws.webapp.WebApp.doGet(Unknown Source)
45: at javax.servlet.http.HttpServlet.service(HttpServlet.java:489)
46: at javax.servlet.http.HttpServlet.service(HttpServlet.java:583)
47: at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:212)
48: at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
49: at tws.webapp.api.oauth.OAuth2Filter.doFilter(Unknown Source)
50: at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
51: at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
52: at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
53: at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
54: at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
55: at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:381)
56: at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:181)
57: at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:156)
58: at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
59: at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
60: at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
61: at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
62: at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
63: at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
64: at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
65: at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:533)
66: at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
67: at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:932)
68: at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1695)
69: at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
70: at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
71: at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
72: at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
73: at java.lang.Thread.run(Thread.java:748)
74: Caused by: java.lang.IllegalStateException: java.io.FileNotFoundException: /data/www/WEB-INF/lib/mysql-connector-java-5.1.31.jar (No such file or directory)
75: at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.getArchiveEntry(AbstractSingleArchiveResourceSet.java:99)
76: at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:242)
77: at org.apache.catalina.webresources.StandardRoot.getResourceInternal(StandardRoot.java:271)
78: at org.apache.catalina.webresources.Cache.getResource(Cache.java:61)
79: at org.apache.catalina.webresources.StandardRoot.getResource(StandardRoot.java:210)
80: at org.apache.catalina.webresources.StandardRoot.getClassLoaderResource(StandardRoot.java:219)
81: at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2227)
82: at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:817)
83: at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1302)
84: at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1150)
85: at com.hazelcast.map.impl.MapDataSerializerHook.lambda$createFactory$3(MapDataSerializerHook.java:342)
86: at com.hazelcast.internal.serialization.impl.ArrayDataSerializableFactory.create(ArrayDataSerializableFactory.java:44)
87: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.readInternal(DataSerializableSerializer.java:143)
88: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:106)
89: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:51)
90: at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:44)
91: at com.hazelcast.internal.serialization.impl.AbstractSerializationService.readObject(AbstractSerializationService.java:357)
92: at com.hazelcast.internal.serialization.InternalSerializationService.readObject(InternalSerializationService.java:81)
93: at com.hazelcast.internal.serialization.impl.ByteArrayObjectDataInput.readObject(ByteArrayObjectDataInput.java:600)
94: at com.hazelcast.spi.impl.operationservice.impl.operations.Backup.readInternal(Backup.java:294)
95: at com.hazelcast.spi.impl.operationservice.Operation.readData(Operation.java:797)
96: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.readInternal(DataSerializableSerializer.java:160)
97: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:106)
98: at com.hazelcast.internal.serialization.impl.DataSerializableSerializer.read(DataSerializableSerializer.java:51)
99: at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:44)
100: at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toObject(AbstractSerializationService.java:271)
101: at com.hazelcast.spi.impl.NodeEngineImpl.toObject(NodeEngineImpl.java:395)
102: at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:483)
103: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.process(OperationThread.java:197)
104: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.process(OperationThread.java:137)
105: at com.hazelcast.spi.impl.operationexecutor.impl.OperationThread.executeRun(OperationThread.java:123)
106: at com.hazelcast.internal.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:102)
107: Caused by: java.io.FileNotFoundException: /data/www/WEB-INF/lib/mysql-connector-java-5.1.31.jar (No such file or directory)
108: at java.util.zip.ZipFile.open(Native Method)
109: at java.util.zip.ZipFile.(ZipFile.java:225)
110: at java.util.zip.ZipFile.(ZipFile.java:155)
111: at java.util.jar.JarFile.(JarFile.java:166)
112: at java.util.jar.JarFile.(JarFile.java:130)
113: at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:256)
114: at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:241)
115: at org.apache.catalina.webresources.AbstractArchiveResourceSet.openJarFile(AbstractArchiveResourceSet.java:291)
116: at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.getArchiveEntry(AbstractSingleArchiveResourceSet.java:95)
117: ... 31 more
118: null