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Jsf ViewParam+；Ajax调用问题

jsf

Jsf ViewParam+；Ajax调用问题,jsf,mojarra,jsf-2.3,Jsf,Mojarra,Jsf 2.3,我仍然对与ViewParam相关的JSF2.3有一个问题，我用WildFly 21（2020年10月发布）对它进行了测试，这个错误仍然存在。 代码位于以下存储库中： 码头示例： 野蝇例子 请注意，Wildfly已经合并了Mojarra 2.3存储库中最近完成的所有修复 我在官方回购中发布了一个问题，但没有成功解决该问题： 当您在第二次出现异常时单击按钮时，在使用mojarra 2.2、myfaces 2.2或myfaces 2.3时，情况并非如此 XHTML: <!DOCTYPE html

我仍然对与ViewParam相关的JSF2.3有一个问题，我用WildFly 21（2020年10月发布）对它进行了测试，这个错误仍然存在。 代码位于以下存储库中： 码头示例： 野蝇例子

请注意，Wildfly已经合并了Mojarra 2.3存储库中最近完成的所有修复

我在官方回购中发布了一个问题，但没有成功解决该问题：

当您在第二次出现异常时单击按钮时，在使用mojarra 2.2、myfaces 2.2或myfaces 2.3时，情况并非如此

XHTML:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:fn="http://java.sun.com/jsp/jstl/functions">

<f:metadata>
    <f:viewParam id="id" name="id" value="#{testView.testClass.id}" />
</f:metadata>

<h:form>

    <h:commandButton>
        <f:ajax execute="@form"  />
    </h:commandButton>

    <h:selectOneMenu value="#{testView.testClass}">
        <f:selectItem itemValue="null" itemLabel="Sel. classe" />
        <f:selectItems value="#{testView.testClasses}" var="cl"
            itemValue="#{cl}" itemLabel="#{cl.id}" />
    </h:selectOneMenu>

</h:form>

</html>
转换器

package org.primefaces.test;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;

//@FacesConverter(value = "TestClassConverter")    
@FacesConverter(forClass = TestClass.class)
public class TestClassConverter implements Converter {
    @Override
    public Object getAsObject(FacesContext facesContext, UIComponent uiComponent, String value) {
        if (value != null && !value.isEmpty()) {
            return (TestClass) uiComponent.getAttributes().get(value);
        }
        return null;
    }

    @Override
    public String getAsString(FacesContext facesContext, UIComponent uiComponent, Object value) {
        if (value instanceof TestClass) {
            TestClass entity= (TestClass) value;
            if (entity != null && entity instanceof TestClass && entity.getId() != null) {
                uiComponent.getAttributes().put( entity.getId().toString(), entity);
                return entity.getId().toString();
            }
        }
        return "";
    }
}
您还需要将exploration\u EMPTY\u STRING\u SUBMITTED\u VALUES\u设置为\u NULL为true

<context-param>
    <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
    <param-value>true</param-value>
  </context-param>

package org.primefaces.test;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;

//@FacesConverter(value = "TestClassConverter")    
@FacesConverter(forClass = TestClass.class)
public class TestClassConverter implements Converter {
    @Override
    public Object getAsObject(FacesContext facesContext, UIComponent uiComponent, String value) {
        if (value != null && !value.isEmpty()) {
            return (TestClass) uiComponent.getAttributes().get(value);
        }
        return null;
    }

    @Override
    public String getAsString(FacesContext facesContext, UIComponent uiComponent, Object value) {
        if (value instanceof TestClass) {
            TestClass entity= (TestClass) value;
            if (entity != null && entity instanceof TestClass && entity.getId() != null) {
                uiComponent.getAttributes().put( entity.getId().toString(), entity);
                return entity.getId().toString();
            }
        }
        return "";
    }
}

<context-param>
    <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
    <param-value>true</param-value>
  </context-param>

WARNING: /test.xhtml @10,68 value="#{testView.testClass.id}": Target Unreachable, [testClass] returned null
javax.el.PropertyNotFoundException: /test.xhtml @10,68 value="#{testView.testClass.id}": Target Unreachable, [testClass] returned null
        at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:64)
        at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:71)
        at javax.faces.component.UIViewParameter.getConvertedValue(UIViewParameter.java:458)
        at javax.faces.component.UIInput.validate(UIInput.java:1006)
        at javax.faces.component.UIInput.executeValidate(UIInput.java:1317)
        at javax.faces.component.UIInput.processValidators(UIInput.java:733)
        at javax.faces.component.UIViewParameter.processValidators(UIViewParameter.java:279)
        at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:921)
        at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:921)
        at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1310)
        at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:53)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:76)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
        at javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:707)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:451)
        at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service(ServletHolder.java:1386)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:755)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1617)
        at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:226)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:545)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:590)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1300)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1215)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:221)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:500)
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:547)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, [testClass] returned null
        at org.apache.el.parser.AstValue.getTarget(AstValue.java:124)
        at org.apache.el.parser.AstValue.getType(AstValue.java:58)
        at org.apache.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:174)
        at org.apache.webbeans.el22.WrappedValueExpression.getType(WrappedValueExpression.java:59)
        at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:62)
        ... 52 more

[WARNING] /primefaces-test/test.xhtml
javax.servlet.ServletException: javax.servlet.ServletException: /test.xhtml @10,68 value="#{testView.testClass.id}": Target Unreachable, [testClass] returned null
    at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:162)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle (Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1 (HttpChannel.java:383)
    at org.eclipse.jetty.server.HttpChannel.dispatch (HttpChannel.java:547)
    at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:375)
    at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask (EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce (EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce (EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run (EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:938)
    at java.lang.Thread.run (Thread.java:834)
Caused by: javax.servlet.ServletException: /test.xhtml @10,68 value="#{testView.testClass.id}": Target Unreachable, [testClass] returned null
    at javax.faces.webapp.FacesServlet.executeLifecyle (FacesServlet.java:725)
    at javax.faces.webapp.FacesServlet.service (FacesServlet.java:451)
    at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service (ServletHolder.java:1386)
    at org.eclipse.jetty.servlet.ServletHolder.handle (ServletHolder.java:755)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1617)
    at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter (WebSocketUpgradeFilter.java:226)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1604)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle (ServletHandler.java:545)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle (SecurityHandler.java:590)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:235)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle (SessionHandler.java:1610)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:233)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle (ContextHandler.java:1300)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:188)
    at org.eclipse.jetty.servlet.ServletHandler.doScope (ServletHandler.java:485)
    at org.eclipse.jetty.server.session.SessionHandler.doScope (SessionHandler.java:1580)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:186)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope (ContextHandler.java:1215)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:221)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:146)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle (Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1 (HttpChannel.java:383)
    at org.eclipse.jetty.server.HttpChannel.dispatch (HttpChannel.java:547)
    at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:375)
    at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask (EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce (EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce (EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run (EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:938)
    at java.lang.Thread.run (Thread.java:834)
Caused by: javax.el.PropertyNotFoundException: /test.xhtml @10,68 value="#{testView.testClass.id}": Target Unreachable, [testClass] returned null
    at com.sun.faces.facelets.el.TagValueExpression.getType (TagValueExpression.java:64)
    at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue (HtmlBasicInputRenderer.java:71)
    at javax.faces.component.UIViewParameter.getConvertedValue (UIViewParameter.java:458)
    at javax.faces.component.UIInput.validate (UIInput.java:1006)
    at javax.faces.component.UIInput.executeValidate (UIInput.java:1317)
    at javax.faces.component.UIInput.processValidators (UIInput.java:733)
    at javax.faces.component.UIViewParameter.processValidators (UIViewParameter.java:279)
    at javax.faces.component.UIComponentBase.processValidators (UIComponentBase.java:921)
    at javax.faces.component.UIComponentBase.processValidators (UIComponentBase.java:921)
    at javax.faces.component.UIViewRoot.processValidators (UIViewRoot.java:1310)
    at com.sun.faces.lifecycle.ProcessValidationsPhase.execute (ProcessValidationsPhase.java:53)
    at com.sun.faces.lifecycle.Phase.doPhase (Phase.java:76)
    at com.sun.faces.lifecycle.LifecycleImpl.execute (LifecycleImpl.java:177)
    at javax.faces.webapp.FacesServlet.executeLifecyle (FacesServlet.java:707)
    at javax.faces.webapp.FacesServlet.service (FacesServlet.java:451)
    at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service (ServletHolder.java:1386)
    at org.eclipse.jetty.servlet.ServletHolder.handle (ServletHolder.java:755)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1617)
    at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter (WebSocketUpgradeFilter.java:226)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1604)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle (ServletHandler.java:545)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle (SecurityHandler.java:590)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:235)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle (SessionHandler.java:1610)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:233)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle (ContextHandler.java:1300)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:188)
    at org.eclipse.jetty.servlet.ServletHandler.doScope (ServletHandler.java:485)
    at org.eclipse.jetty.server.session.SessionHandler.doScope (SessionHandler.java:1580)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:186)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope (ContextHandler.java:1215)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:221)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:146)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle (Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1 (HttpChannel.java:383)
    at org.eclipse.jetty.server.HttpChannel.dispatch (HttpChannel.java:547)
    at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:375)
    at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask (EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce (EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce (EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run (EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:938)
    at java.lang.Thread.run (Thread.java:834)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, [testClass] returned null
    at org.apache.el.parser.AstValue.getTarget (AstValue.java:124)
    at org.apache.el.parser.AstValue.getType (AstValue.java:58)
    at org.apache.el.ValueExpressionImpl.getType (ValueExpressionImpl.java:174)
    at org.apache.webbeans.el22.WrappedValueExpression.getType (WrappedValueExpression.java:59)
    at com.sun.faces.facelets.el.TagValueExpression.getType (TagValueExpression.java:62)
    at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue (HtmlBasicInputRenderer.java:71)
    at javax.faces.component.UIViewParameter.getConvertedValue (UIViewParameter.java:458)
    at javax.faces.component.UIInput.validate (UIInput.java:1006)
    at javax.faces.component.UIInput.executeValidate (UIInput.java:1317)
    at javax.faces.component.UIInput.processValidators (UIInput.java:733)
    at javax.faces.component.UIViewParameter.processValidators (UIViewParameter.java:279)
    at javax.faces.component.UIComponentBase.processValidators (UIComponentBase.java:921)
    at javax.faces.component.UIComponentBase.processValidators (UIComponentBase.java:921)
    at javax.faces.component.UIViewRoot.processValidators (UIViewRoot.java:1310)
    at com.sun.faces.lifecycle.ProcessValidationsPhase.execute (ProcessValidationsPhase.java:53)
    at com.sun.faces.lifecycle.Phase.doPhase (Phase.java:76)
    at com.sun.faces.lifecycle.LifecycleImpl.execute (LifecycleImpl.java:177)
    at javax.faces.webapp.FacesServlet.executeLifecyle (FacesServlet.java:707)
    at javax.faces.webapp.FacesServlet.service (FacesServlet.java:451)
    at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service (ServletHolder.java:1386)
    at org.eclipse.jetty.servlet.ServletHolder.handle (ServletHolder.java:755)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1617)
    at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter (WebSocketUpgradeFilter.java:226)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter (ServletHandler.java:1604)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle (ServletHandler.java:545)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle (SecurityHandler.java:590)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:235)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle (SessionHandler.java:1610)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle (ScopedHandler.java:233)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle (ContextHandler.java:1300)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:188)
    at org.eclipse.jetty.servlet.ServletHandler.doScope (ServletHandler.java:485)
    at org.eclipse.jetty.server.session.SessionHandler.doScope (SessionHandler.java:1580)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope (ScopedHandler.java:186)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope (ContextHandler.java:1215)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:221)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:146)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle (Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1 (HttpChannel.java:383)
    at org.eclipse.jetty.server.HttpChannel.dispatch (HttpChannel.java:547)
    at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:375)
    at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask (EatWhatYouKill.java:336)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce (EatWhatYouKill.java:313)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce (EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run (EatWhatYouKill.java:129)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:938)
    at java.lang.Thread.run (Thread.java:834)