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Could not initialize class javax.imageio.ImageIO
java.lang.NoClassDefFoundError: Could not initialize class javax.imageio.ImageIO	at org.traccar.web.server.model.PicturesServlet.doPost(PicturesServlet.java:105)	at org.traccar.web.server.model.UserCheck.invoke(UserCheck.java:41)	at org.traccar.web.server.model.UserCheck.invoke(UserCheck.java:41)	at com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:66)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)	at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)	at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)	at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)	at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)	at org.eclipse.jetty.server.Server.handle(Server.java:499)	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)	at java.lang.Thread.run(Thread.java:745)