java.net.SocketException: socket closed at java.net.SocketInputStream.socketRead0(SocketInputStream.java:0) at java.net.SocketInputStream.read(SocketInputStream.java:129) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2428) Caused: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Last packet sent to the server was 16 ms ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:406) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2985) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2871) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3414) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2465) at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1383) at com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:4826) at com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:50) at com.mysql.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:4804) Caused: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Last packet sent to the server was 16 ms ago. at org.netbeans.modules.db.metadata.model.jdbc.JDBCSchema.createTables(JDBCSchema.java:166) at org.netbeans.modules.db.metadata.model.jdbc.JDBCSchema.initTables(JDBCSchema.java:217) at org.netbeans.modules.db.metadata.model.jdbc.JDBCSchema.getTables(JDBCSchema.java:99) at org.netbeans.modules.db.metadata.model.api.Schema.getTables(Schema.java:101) at org.netbeans.modules.db.explorer.node.TableNodeProvider$1.run(TableNodeProvider.java:104) at org.netbeans.modules.db.explorer.node.TableNodeProvider$1.run(TableNodeProvider.java:100) Caused: org.netbeans.modules.db.metadata.model.api.MetadataModelException: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Last packet sent to the server was 16 ms ago. at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.runReadAction(JDBCConnMetadataModel.java:99) at org.netbeans.modules.db.metadata.model.api.MetadataModel.runReadAction(MetadataModel.java:89) at org.netbeans.modules.db.explorer.node.TableNodeProvider.initialize(TableNodeProvider.java:99) at org.netbeans.api.db.explorer.node.NodeProvider.getNodes(NodeProvider.java:103) at org.netbeans.modules.db.explorer.node.NodeRegistry.getNodes(NodeRegistry.java:149) at org.netbeans.api.db.explorer.node.ChildNodeFactory.createKeys(ChildNodeFactory.java:104) at org.openide.nodes.AsynchChildren.run(AsynchChildren.java:164) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:577) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1030)