java.sql.SQLException: ORA-02020: too many database links in use

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java.sql.SQLException: ORA-02020: too many database links in use
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:138)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:316)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:282)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:639)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:185)
at oracle.jdbc.driver.T4CPreparedStatement.execute_for_describe(T4CPreparedStatement.java:503)
at oracle.jdbc.driver.OracleStatement.execute_maybe_describe(OracleStatement.java:1029)
at oracle.jdbc.driver.T4CPreparedStatement.execute_maybe_describe(T4CPreparedStatement.java:535)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1126)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3001)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3043)
at oracle.lite.sync.Subscription.execPrepDirect(Unknown Source)
at oracle.lite.sync.HeliosSession.sendPayload(Unknown Source)
at oracle.lite.sync.HeliosSession.sendSubData(Unknown Source)
at oracle.lite.sync.HeliosSession.downloadSubs(Unknown Source)
at oracle.lite.sync.HeliosSession.startSession(Unknown Source)
at oracle.lite.sync.resume.Client$1.run(Unknown Source)
at oracle.lite.sync.resume.ThreadPool$PoolTask.run(Unknown Source)

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