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Could not initialize class org.springframework.core.convert.support.DefaultConversionService
Java.lang.NoClassDefFoundError: Could not initialize class org.springframework.core.convert.support.DefaultConversionService	at org.springframework.core.env.AbstractPropertyResolver.(AbstractPropertyResolver.java:41)	at org.springframework.core.env.PropertySourcesPropertyResolver.(PropertySourcesPropertyResolver.java:42)	at org.springframework.core.env.AbstractEnvironment.(AbstractEnvironment.java:110)	at org.springframework.core.env.StandardEnvironment.(StandardEnvironment.java:54)	at org.springframework.web.context.support.StandardServletEnvironment.(StandardServletEnvironment.java:44)	at org.springframework.web.servlet.HttpServletBean.createEnvironment(HttpServletBean.java:215)	at org.springframework.web.servlet.HttpServletBean.getEnvironment(HttpServletBean.java:205)	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)	at javax.servlet.GenericServlet.init(GenericServlet.java:158)	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1238)	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1151)	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:828)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:135)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Thread.java:745)