com.mysql.cj.jdbc.ha.NdbLoadBalanceExceptionChecker Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2020, Oracle and/or its affiliates.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
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* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
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*
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package com.mysql.cj.jdbc.ha;
public class NdbLoadBalanceExceptionChecker extends StandardLoadBalanceExceptionChecker {
@Override
public boolean shouldExceptionTriggerFailover(Throwable ex) {
return super.shouldExceptionTriggerFailover(ex) || checkNdbException(ex);
}
private boolean checkNdbException(Throwable ex) {
// Have to parse the message since most NDB errors are mapped to the same DEMC, sadly.
return (ex.getMessage().startsWith("Lock wait timeout exceeded")
|| (ex.getMessage().startsWith("Got temporary error") && ex.getMessage().endsWith("from NDB")));
}
}