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Jan 25, 2017 at 04:59 AM

Couldn't allocate required threads to perform an import

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When I upgrade hybris to 6.2.0.3, I encountered following problem when I tried to init the system. Can somebody help to find why this happens? I am using MAC (macOS Sierra, version 10.12.3)

 ERROR [hybrisHTTP24] (0000007B) [ImpExImportJob] Couldn't allocate required threads to perform an import.
  de.hybris.platform.impex.jalo.ImpExException: Couldn't allocate required threads to perform an import.
     at de.hybris.platform.impex.jalo.Importer.importNextInternal(Importer.java:770) ~[impexserver.jar:?]
     at de.hybris.platform.impex.jalo.Importer.importNext(Importer.java:739) ~[impexserver.jar:?]
     at de.hybris.platform.impex.jalo.cronjob.ImpExImportJob.doImport(ImpExImportJob.java:291) [impexserver.jar:?]
     at de.hybris.platform.impex.jalo.cronjob.ImpExImportJob.performJob(ImpExImportJob.java:249) [impexserver.jar:?]
     at de.hybris.platform.impex.jalo.cronjob.ImpExImportJob.performCronJob(ImpExImportJob.java:116) [impexserver.jar:?]
     at de.hybris.platform.cronjob.jalo.Job.execute(Job.java:1278) [processingserver.jar:?]
     at de.hybris.platform.cronjob.jalo.Job.performImpl(Job.java:803) [processingserver.jar:?]
     at de.hybris.platform.cronjob.jalo.Job.performImpl(Job.java:722) [processingserver.jar:?]
     at de.hybris.platform.cronjob.jalo.Job.perform(Job.java:638) [processingserver.jar:?]
     at de.hybris.platform.servicelayer.cronjob.impl.DefaultCronJobService.performCronJob(DefaultCronJobService.java:87) [processingserver.jar:?]
     at de.hybris.platform.servicelayer.impex.impl.DefaultImportService.importData(DefaultImportService.java:438) [impexserver.jar:?]
     at de.hybris.platform.servicelayer.impex.impl.DefaultImportService.importDataUsingStandardImpex(DefaultImportService.java:361) [impexserver.jar:?]
     at de.hybris.platform.servicelayer.impex.impl.DefaultImportService.importData(DefaultImportService.java:105) [impexserver.jar:?]
     at de.hybris.platform.commerceservices.setup.impl.DefaultSetupImpexService.importImpexFile(DefaultSetupImpexService.java:144) [classes/:?]
     at de.hybris.platform.commerceservices.setup.impl.DefaultSetupImpexService.importImpexFile(DefaultSetupImpexService.java:121) [classes/:?]
     at de.hybris.platform.commerceservices.setup.impl.DefaultSetupImpexService.importImpexFile(DefaultSetupImpexService.java:96) [classes/:?]
     at de.hybris.platform.commerceservices.dataimport.impl.SampleDataImportService.importStore(SampleDataImportService.java:227) [classes/:?]
     at de.hybris.platform.commerceservices.dataimport.AbstractDataImportService.importAllData(AbstractDataImportService.java:129) [classes/:?]
     at de.hybris.platform.commerceservices.dataimport.impl.SampleDataImportService.execute(SampleDataImportService.java:47) [classes/:?]
     at com.gvglh.initialdata.setup.InitialDataSystemSetup.createProjectData(InitialDataSystemSetup.java:153) [classes/:?]
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_121]
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_121]
     at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
     at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:216) [spring-core-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at de.hybris.platform.core.initialization.impl.SystemSetupCollectorImpl.invokeSystemSetupMethod(SystemSetupCollectorImpl.java:337) [coreserver.jar:?]
     at de.hybris.platform.core.initialization.impl.SystemSetupCollectorImpl.executeMethods(SystemSetupCollectorImpl.java:286) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization.createProjectData(Initialization.java:1040) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization.doInitializeImpl(Initialization.java:606) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization.access$5(Initialization.java:475) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization$5.call(Initialization.java:801) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization$5.call(Initialization.java:1) [coreserver.jar:?]
     at de.hybris.platform.core.system.InitializationLockHandler.performLocked(InitializationLockHandler.java:81) [coreserver.jar:?]
     at de.hybris.platform.core.Initialization.doInitialize(Initialization.java:833) [coreserver.jar:?]
     at de.hybris.platform.hac.facade.impl.DefaultInitUpdateFacade.executeInitUpdate(DefaultInitUpdateFacade.java:70) [DefaultInitUpdateFacade.class:?]
     at de.hybris.platform.hac.controller.platform.InitUpdateController.initExecuteWrap(InitUpdateController.java:107) [InitUpdateController.class:?]
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_121]
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_121]
     at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
     at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:646) [servlet-api.jar:?]
     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843) [spring-webmvc-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) [servlet-api.jar:?]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.sitemesh.webapp.contentfilter.ContentBufferingFilter.bufferAndPostProcess(ContentBufferingFilter.java:169) [sitemesh-3.0-alpha-2.jar:?]
     at org.sitemesh.webapp.contentfilter.ContentBufferingFilter.doFilter(ContentBufferingFilter.java:126) [sitemesh-3.0-alpha-2.jar:?]
     at org.sitemesh.config.ConfigurableSiteMeshFilter.doFilter(ConfigurableSiteMeshFilter.java:163) [sitemesh-3.0-alpha-2.jar:?]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.springframework.web.multipart.support.MultipartFilter.doFilterInternal(MultipartFilter.java:118) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:157) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:96) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.access.channel.ChannelProcessingFilter.doFilter(ChannelProcessingFilter.java:152) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176) [spring-security-web-4.0.4.RELEASE.jar:4.0.4.RELEASE]
     at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:254) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$StatisticsGatewayFilter.doFilter(AbstractPlatformFilterChain.java:343) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.SecureMediaFilter.doFilter(SecureMediaFilter.java:105) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.DataSourceSwitchingFilter.doFilter(DataSourceSwitchingFilter.java:71) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.SessionFilter.doFilter(SessionFilter.java:71) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.RedirectWhenSystemIsNotInitializedFilter.doFilter(RedirectWhenSystemIsNotInitializedFilter.java:102) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.Log4JFilter.doFilter(Log4JFilter.java:45) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain$InternalFilterChain.doFilter(AbstractPlatformFilterChain.java:224) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.AbstractPlatformFilterChain.doFilterInternal(AbstractPlatformFilterChain.java:154) [coreserver.jar:?]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.7.RELEASE.jar:4.2.7.RELEASE]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at de.hybris.platform.servicelayer.web.XSSFilter.processPatternsAndDoFilter(XSSFilter.java:293) [coreserver.jar:?]
     at de.hybris.platform.servicelayer.web.XSSFilter.doFilter(XSSFilter.java:247) [coreserver.jar:?]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) [catalina.jar:7.0.59]
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.59]
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.59]
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) [catalina.jar:7.0.59]
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.59]
     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) [catalina.jar:7.0.59]
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) [catalina.jar:7.0.59]
     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074) [tomcat-coyote.jar:7.0.59]
     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) [tomcat-coyote.jar:7.0.59]
     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) [tomcat-coyote.jar:7.0.59]
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_121]
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_121]
     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-coyote.jar:7.0.59]
     at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
 Caused by: de.hybris.platform.servicelayer.exceptions.SystemException: Couldn't allocate required threads to perform an import.
     at de.hybris.platform.impex.jalo.imp.InitialThreads.ensureAllThreadsAreAllocated(MultiThreadedImpExImportReader.java:1051) ~[impexserver.jar:?]
     at de.hybris.platform.impex.jalo.imp.MultiThreadedImpExImportReader.readLine(MultiThreadedImpExImportReader.java:189) ~[impexserver.jar:?]
     at de.hybris.platform.impex.jalo.Importer.doImport(Importer.java:252) ~[impexserver.jar:?]
     at de.hybris.platform.impex.jalo.Importer.importNextInternal(Importer.java:758) ~[impexserver.jar:?]
     ... 150 more