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【DM版本】:8
【操作系统】：deepin20 linux
【CPU】:i5
【问题描述】*：8.1.2.192报错，8.1.2.141可以正常访问

        <dependency>
            <groupId>com.dameng</groupId>
            <artifactId>DmJdbcDriver18</artifactId>
            <version>8.1.2.192</version>
	<!--<version>8.1.2.141</version>-->
        </dependency>

报错信息

dm.jdbc.driver.DMException: 网络通信异常
	at dm.jdbc.driver.DBError.throwException(DBError.java:774)
	at dm.jdbc.a.a.init(DBAccess.java:185)
	at dm.jdbc.a.a.<init>(DBAccess.java:157)
	at dm.jdbc.driver.DmdbConnection.openConnection(DmdbConnection.java:638)
	at dm.jdbc.desc.EP.connect(EP.java:159)
	at dm.jdbc.desc.EPGroup$EPSelector.select(EPGroup.java:395)
	at dm.jdbc.desc.EPGroup.connect(EPGroup.java:278)
	at dm.jdbc.driver.DmDriver.do_connect(DmDriver.java:163)
	at dm.jdbc.driver.DmDriver.connect(DmDriver.java:449)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1646)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2777)
Caused by: java.net.ConnectException: 拒绝连接 (Connection refused)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394)
	at java.net.Socket.connect(Socket.java:606)
	at dm.jdbc.a.a.init(DBAccess.java:173)
	... 13 common frames omitted