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org/apache/log4j/Layout
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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.(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)