com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error:


** BEGIN NESTED EXCEPTION ** 

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException
MESSAGE: Communications link failure

Last packet sent to the server was 15 ms ago.

STACKTRACE:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Last packet sent to the server was 15 ms ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	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.reuseAndReadPac
        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.Util.getInstance(Util.java:381)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)
        at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1098)
        at com.mysql.jdbc.ConnectionImpl.createStatement(ConnectionImpl.java:2380)
        at com.mysql.jdbc.ConnectionImpl.createStatement(ConnectionImpl.java:2362)
        at com.mysql.jdbc.DatabaseMetaData.getCatalogs(DatabaseMetaData.java:2023)
Caused: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error:


** BEGIN NESTED EXCEPTION ** 

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException
MESSAGE: Communications link failure

Last packet sent to the server was 15 ms ago.

STACKTRACE:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Last packet sent to the server was 15 ms ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	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(
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCMetadata.createCatalogs(JDBCMetadata.java:162)
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCMetadata.initCatalogs(JDBCMetadata.java:183)
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCMetadata.getCatalog(JDBCMetadata.java:107)
        at org.netbeans.modules.db.metadata.model.api.Metadata.getCatalog(Metadata.java:108)
        at org.netbeans.modules.db.metadata.model.api.MetadataElementHandle.resolveCatalog(MetadataElementHandle.java:202)
        at org.netbeans.modules.db.metadata.model.api.MetadataElementHandle.resolve(MetadataElementHandle.java:173)
        at org.netbeans.modules.db.explorer.node.SchemaNodeProvider$1.run(SchemaNodeProvider.java:100)
        at org.netbeans.modules.db.explorer.node.SchemaNodeProvider$1.run(SchemaNodeProvider.java:98)
Caused: org.netbeans.modules.db.metadata.model.api.MetadataModelException: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error:


** BEGIN NESTED EXCEPTION ** 

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException
MESSAGE: Communications link failure

Last packet sent to the server was 15 ms ago.

STACKTRACE:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Last packet sent to the server was 15 ms ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	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.j
        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.SchemaNodeProvider.initialize(SchemaNodeProvider.java:97)
        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$Task.run(RequestProcessor.java:576)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1013)