Java.lang.NoClassDefFoundError: Could not initialize class org.springframework.core.convert.support.DefaultConversionService

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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.servlet.HttpServletBean.createEnvironment(HttpServletBean.java:215)
at org.springframework.web.servlet.HttpServletBean.getEnvironment(HttpServletBean.java:205)
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.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 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.lang.Thread.run(Thread.java:745)

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