Caused by: java.sql.SQLRecoverableException: No more data to read from socket at oracle.jdbc.driver.T4CMAREngineStream.unmarshalUB1(T4CMAREngineStream.java:453) at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:390) at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:249) at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:566) at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:215) at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:58) at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:776) at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:897) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1034) at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3820) at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3867) at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1502) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96) at net.sf.jasperreports.engine.query.JRJdbcQueryExecuter.createDatasource(JRJdbcQueryExecuter.java:310)