According to what is said on the Internet, it has not been resolved. The complete solution is summarized as follows: step one: Reason: c3p0.jar version.
When to use: Java 8+ interface default method , vs. abstract method . 407. MySQL JDBC Driver 5.1.33 – Time Zone Issue. 3. DBCP 1.3 Validation Query Degrading Performance. 0. javax.naming.NameNotFoundException: env/jdbc/DataSource on JBOSS with SQL Server. 0.
Posted by Taeho Jeong, Jan 22, 2017 5:08 PM, Posted 1/8/17 5:46 PM, 7 messages, Solved: I was trying to enable transaction support for hive. I modified the configurations as follows using Ambari: hive.support.concurrency –, ?????mybatis???mysql??????????????mybatis-3.5.2??mysql-connector-java-5.1.x?????????????????????????, 6/1/2017 · Exception in thread main java.lang. AbstractMethodError: Method com/mchange/v2 /c3p0/impl/NewProxyResultSet.getNString(Ljava/lang/String)Ljava/lang/String is abstract, 11/13/2013 · so the explanation is very easy: c3p0-0.9.2.x doesn’t support (most) JDBC4 api, c3p0-0.9.5.x fully supports it. i can’t explain why your app has suddenly started calling the unsupported isClosed() method , but the only way to avoid the abstract method errors in 0.9.2.x will be to prevent JDBC4 methods from being called. 0.9.5-pre5 is a good release, i think. i’d …
