java.lang.OutOfMemoryError: Java heap space

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java.lang.OutOfMemoryError: Java heap space
at java.lang.reflect.Array.newArray(Native Method)
at oracle.jdbc.driver.BufferCache.get(BufferCache.java:226)
at oracle.jdbc.driver.PhysicalConnection.getCharBuffer(PhysicalConnection.java:7672)
at oracle.jdbc.driver.OracleStatement.prepareAccessors(OracleStatement.java:1005)
at oracle.jdbc.driver.T4CTTIdcb.receiveCommon(T4CTTIdcb.java:277)
at oracle.jdbc.driver.T4CTTIdcb.receive(T4CTTIdcb.java:146)
at oracle.jdbc.driver.T4C8Oall.readDCB(T4C8Oall.java:844)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:358)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:204)
at oracle.jdbc.driver.T4CCallableStatement.executeForDescribe(T4CCallableStatement.java:877)
at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1167)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1289)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3584)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3628)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1493)
at oracle.dbtools.db.DBUtil$2.call(DBUtil.java:365)
at oracle.dbtools.db.DBUtil$2.call(DBUtil.java:353)
at oracle.dbtools.db.DBUtil.lockForOperation(DBUtil.java:1701)
at oracle.dbtools.db.DBUtil.executeOracleReturnOneCol(DBUtil.java:374)
at oracle.dbtools.db.OracleUtil.executeReturnOneCol(OracleUtil.java:328)
at oracle.dbtools.raptor.utils.DatabaseFeatureRegistry$QueryFeature.isFeatureEnabled(DatabaseFeatureRegistry.java:98)
at oracle.dbtools.raptor.utils.DatabaseFeatureRegistry.initializeFeatures(DatabaseFeatureRegistry.java:202)
at oracle.dbtools.raptor.InitializeConnectionListener.initConnection(InitializeConnectionListener.java:194)
at oracle.dbtools.raptor.InitializeConnectionListener$1.initializeConnection(InitializeConnectionListener.java:52)
at oracle.dbtools.raptor.utils.Connections.initializeConnection(Connections.java:2027)
at oracle.dbtools.raptor.utils.Connections.access$100(Connections.java:75)
at oracle.dbtools.raptor.utils.Connections$ConnectionInfo.getDatabase(Connections.java:224)
at oracle.dbtools.raptor.utils.Connections.getConnection(Connections.java:1165)
at oracle.dbtools.raptor.utils.Connections.getConnection(Connections.java:1139)

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