2025-03-24 15:36:04.670 [1490] ERROR node.GenericNode.handleExecuteError:148 - Node execution failed.(id:89424d9e5b4514ad4d14da4a9cd0a632,name:JDBC_DATASOURCE)
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 10,011 milliseconds ago. The last packet sent successfully to the server was 10,010 milliseconds ago.
at sun.reflect.GeneratedConstructorAccessor138.newInstance(Unknown Source) ~[?:?]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_181]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_181]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3517) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3417) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3860) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:864) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1707) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1217) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2189) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2220) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2015) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:768) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at sun.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) ~[?:?]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_181]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_181]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:385) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:323) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at org.apache.spark.sql.execution.datasources.jdbc.connection.BasicConnectionProvider.getConnection(BasicConnectionProvider.scala:49) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.jdbc.connection.ConnectionProvider$.create(ConnectionProvider.scala:77) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$.$anonfun$createConnectionFactory$1(JdbcUtils.scala:62) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:56) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation$.getSchema(JDBCRelation.scala:226) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:35) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:355) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:325) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.DataFrameReader.$anonfun$load$3(DataFrameReader.scala:307) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at scala.Option.getOrElse(Option.scala:189) ~[scala-library-2.12.10.jar:?]
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:307) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:225) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:340) ~[spark-sql_2.12-3.1.3.jar:3.1.3]
at smartbix.datamining.engine.datasource.DefaultDsExecutor.read(DefaultDsExecutor.java:48) ~[EngineCore-1.0.jar:?]
at smartbix.datamining.engine.execute.node.datasource.JdbcDatasourceNode.execute(JdbcDatasourceNode.java:159) ~[EngineCommonNode-1.0.jar:?]
at smartbix.datamining.engine.execute.node.GenericNode.start(GenericNode.java:117) ~[EngineCore-1.0.jar:?]
at smartbix.datamining.engine.agent.execute.executor.DefaultNodeExecutor.execute(DefaultNodeExecutor.java:43) ~[EngineAgent-1.0.jar:?]
at smartbix.datamining.engine.agent.execute.launcher.DefaultLauncher.run(DefaultLauncher.java:67) ~[EngineAgent-1.0.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_181]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_181]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_181]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_181]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_181]
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2969) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3427) ~[_JDBC_mysql-connector-java-5.1.48.jar:5.1.48]
... 39 more | 
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