xriqyu opened a new issue #2898: proxy 4.0.0-RC1 update error URL: https://github.com/apache/incubator-shardingsphere/issues/2898 更新的字段值为null ，就异常了 等否直接提供一个proxy 4.0.0-RC2 的下载地址，真的不是太好构建。 ERROR] 19:02:08.738 [ShardingSphere-Command-15] o.a.s.s.f.c.CommandExecutorTask - Exception occur: java.lang.NullPointerException: null at com.mysql.jdbc.ResultSetImpl.checkColumnBounds(ResultSetImpl.java:756) at com.mysql.jdbc.ResultSetImpl.getObject(ResultSetImpl.java:4411) at com.zaxxer.hikari.pool.HikariProxyResultSet.getObject(HikariProxyResultSet.java) at org.apache.shardingsphere.core.execute.sql.execute.result.StreamQueryResult.getValue(StreamQueryResult.java:73) at org.apache.shardingsphere.core.merge.dql.common.StreamMergedResult.getValue(StreamMergedResult.java:49) at org.apache.shardingsphere.shardingproxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.getQueryData(JDBCDatabaseCommunicationEngine.java:158) at org.apache.shardingsphere.shardingproxy.backend.text.query.QueryBackendHandler.getQueryData(QueryBackendHandler.java:64) at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryData(MySQLComQueryPacketExecutor.java:114) at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryData(MySQLComQueryPacketExecutor.java:54) at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.MySQLCommandExecuteEngine.writeQueryData(MySQLCommandExecuteEngine.java:83) at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:94) at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:66) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
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