java.lang.NoClassDefFoundError: com/mysql/jdbc/ConnectionImpl$1

tip

This means you're missing a class that Java needs for this program. Check if you're not missing the jsr305-1.3.7.jar from your classpath, it's the jar that contains the class javax.annotation.Nullable.

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    • java.lang.NoClassDefFoundError: com/mysql/jdbc/ConnectionImpl$1 at com.mysql.jdbc.ConnectionImpl.close(ConnectionImpl.java:1545) at org.apache.commons.dbcp.DelegatingConnection.close(DelegatingConnection.java:151) at org.apache.commons.dbcp.PoolableConnection.reallyClose(PoolableConnection.java:95) at org.apache.commons.dbcp.PoolableConnectionFactory.destroyObject(PoolableConnectionFactory.java:301) at org.apache.commons.pool.impl.GenericObjectPool.evict(GenericObjectPool.java:956) at org.apache.commons.pool.impl.GenericObjectPool$Evictor.run(GenericObjectPool.java:1085) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.ConnectionImpl$1 at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204) at java.lang.ClassLoader.loadClassInternal(Unknown Source) ... 7 more

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