java.lang.NoClassDefFoundError

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  • Poolman Connection Error !!!
    via by 807543,
    • java.lang.NoClassDefFoundError: org/apache/log4j/Layout at com.codestudio.util.SQLManager.createPool(Unknown Source) at com.codestudio.management.LocalPoolDeployer.startDataSources(Unknown Source) at com.codestudio.management.LocalPoolDeployer.deployConfiguration(Unknown Source) at com.codestudio.management.PoolManBootstrap.<init>(Unknown Source) at com.codestudio.util.SQLManager.assertLoaded(Unknown Source) at com.codestudio.util.SQLManager.requestConnection(Unknown Source) at com.codestudio.sql.PoolMan.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:512) at java.sql.DriverManager.getConnection(DriverManager.java:193) at pool.main(pool.java:33)
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