Error 500: java.lang.ClassNotFoundException: org.grapheco.server.ConnectorServlet

[WoodenMaiden]

I downloaded Interactive Graph and the IGP (version 0.0.4) and deployed them on a tomcat 8 server.

When I launch any example that uses the connect() method, I get an error 500

How can I fix this ?

[HC-teemo]

It seems to be caused by some mistakes in the deployment of InteractiveGraph-server.
Downloading the .war file and put it in the webapps folder and waiting Tomcat auto-deploy it.

[WoodenMaiden]

I now get an other 500 with different exception stack :

javax.servlet.ServletException: Servlet.init() for servlet [connector2] threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:829)

Root Cause

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.grapheco.server.neo4j.Neo4jSetting#0' defined in class path resource [neo4j-base.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'boolean' for property 'layout'; nested exception is java.lang.IllegalArgumentException: Invalid boolean value [${layout_on_startup}]
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:547)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
	org.grapheco.server.ConnectorServlet.init(ConnectorServlet.scala:58)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:829)

Root Cause

org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'boolean' for property 'layout'; nested exception is java.lang.IllegalArgumentException: Invalid boolean value [${layout_on_startup}]
	org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:478)
	org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:509)
	org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:504)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1502)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1461)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1197)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
	org.grapheco.server.ConnectorServlet.init(ConnectorServlet.scala:58)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:829)

Root Cause

java.lang.IllegalArgumentException: Invalid boolean value [${layout_on_startup}]
	org.springframework.beans.propertyeditors.CustomBooleanEditor.setAsText(CustomBooleanEditor.java:122)
	org.springframework.beans.TypeConverterDelegate.doConvertTextValue(TypeConverterDelegate.java:430)
	org.springframework.beans.TypeConverterDelegate.doConvertValue(TypeConverterDelegate.java:403)
	org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:181)
	org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:458)
	org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:509)
	org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:504)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1502)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1461)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1197)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
	org.grapheco.server.ConnectorServlet.init(ConnectorServlet.scala:58)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1732)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:829)

I think this exception is the reason why :

org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'boolean' for property 'layout'; nested exception is java.lang.IllegalArgumentException: Invalid boolean value [${layout_on_startup}]

conf1.properties line 9

layout_on_startup=false

[HC-teemo]

That's so strange. I had no problems deploying it in my environment. What version of Tomcat do you use?

[WoodenMaiden]

I use it in a docker image with tomcat 8.
It uses openJDK version 11.0.13

[HC-teemo]

My environment is tomcat-8.5.57 and 1.8.0_281.
I'm not sure if it's because of environmental differences. But maybe you can have a try. : )

[WoodenMaiden]

I still have the same error even with the same environement :/

[liangrui]

I also have the same error, whether it has been solved?

[HC-teemo]

I also have the same error, whether it has been solved?

Can you describe the error information in detail?