It googled around and found it might be related to the core number of my CPU. But anyway all the tests using Jetty web server fails with this exception:
java.lang.IllegalStateException: Insufficient configured threads: required=5 < max=5 for QueuedThreadPool[qtp1712943792]@661972b0{STARTED,2<=2<=5,i=2,r=-1,q=0}[ReservedThreadExecutor@1a245833{reserved=0/1,pending=0}]
at org.eclipse.jetty.util.thread.ThreadPoolBudget.check(ThreadPoolBudget.java:165)
at org.eclipse.jetty.util.thread.ThreadPoolBudget.leaseTo(ThreadPoolBudget.java:141)
at org.eclipse.jetty.util.thread.ThreadPoolBudget.leaseFrom(ThreadPoolBudget.java:191)
at org.eclipse.jetty.io.SelectorManager.doStart(SelectorManager.java:255)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:323)
at org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:81)
at org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:234)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at org.eclipse.jetty.server.Server.doStart(Server.java:401)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at com.gargoylesoftware.htmlunit.WebServerTestCase.tryStart(WebServerTestCase.java:392)
at com.gargoylesoftware.htmlunit.WebDriverTestCase.startWebServer(WebDriverTestCase.java:653)
at com.gargoylesoftware.htmlunit.WebDriverTestCase.loadPage2(WebDriverTestCase.java:941)
at com.gargoylesoftware.htmlunit.WebDriverTestCase.loadPage2(WebDriverTestCase.java:902)
at com.gargoylesoftware.htmlunit.WebDriverTestCase.loadPage2(WebDriverTestCase.java:891)
at com.gargoylesoftware.htmlunit.javascript.host.xml.XMLHttpRequestTest.asyncIsDefault(XMLHttpRequestTest.java:301)
I increased the maxThreads parameter from 5 to 10 in this line and the error is gone.
It googled around and found it might be related to the core number of my CPU. But anyway all the tests using Jetty web server fails with this exception:
I increased the maxThreads parameter from 5 to 10 in this line and the error is gone.