I am geting the following error when i run a test scenario...I am using
postgresql-42.4.1 jar ,
java.lang.AbstractMethodError: org.postgresql.jdbc3g.Jdbc3gConnection.isValid(I)Z at org.apache.commons.dbcp2.DelegatingConnection.isValid(DelegatingConnection.java:590) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.PoolableConnection.validate(PoolableConnection.java:334) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:653) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:109) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:649) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:531) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:731) ~[commons-dbcp2-2.9.0.jar:2.9.0] at org.apache.jmeter.protocol.jdbc.config.DataSourceElement$DataSourceComponentImpl.getConnection(DataSourceElement.java:362) ~[ApacheJMeter_jdbc.jar:5.5] at org.apache.jmeter.protocol.jdbc.config.DataSourceElement.getConnection(DataSourceElement.java:199) ~[ApacheJMeter_jdbc.jar:5.5] at org.apache.jmeter.protocol.jdbc.sampler.JDBCSampler.sample(JDBCSampler.java:80) ~[ApacheJMeter_jdbc.jar:5.5] at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:651) ~[ApacheJMeter_core.jar:5.5] at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:570) ~[ApacheJMeter_core.jar:5.5] at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:501) ~[ApacheJMeter_core.jar:5.5] at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:268) ~[ApacheJMeter_core.jar:5.5] at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_301]
CodePudding user response：
Try using SELECT 1 as the validation query:
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