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via Hibernate JIRA by Sven Henckel, 1 year ago
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via blogspot.com by Unknown author, 2 years ago
An attempt by a client to checkout a Connection has timed out.
java.lang.NullPointerException: 	at com.mchange.v2.c3p0.impl.NewProxyConnection.getAutoCommit(NewProxyConnection.java:809)	at org.hibernate.tool.hbm2ddl.SchemaExport.execute(SchemaExport.java:132)	at org.hibernate.tool.hbm2ddl.SchemaExport.create(SchemaExport.java:100)	at de.company.product.tools.DDLManager.main(DDLManager.java:39)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:78)