Injector.getBinding(Key) is supposed to return null if no binding was
found, yet it throws the following exception for me:

com.google.inject.ProvisionException: Guice provision errors:
1) Could not find a suitable constructor in
com.sun.jersey.multipart.impl.MultiPartReader. Classes must have
either one (and only one) constructor annotated with @Inject or a zero-
argument constructor that is not private.
  at com.sun.jersey.multipart.impl.MultiPartReader.class
(MultiPartReader.java:68)
1 error[s]
        at com.google.inject.InjectorImpl.getBinding(InjectorImpl.java:
108)
        at com.google.inject.InjectorImpl.getBinding(InjectorImpl.java:
62)
        at
com.sun.jersey.spi.guice.container.servlet.GuiceComponentProviderFactory.getComponentProvider
(GuiceComponentProviderFactory.java:90)
        at
com.sun.jersey.spi.guice.container.servlet.GuiceComponentProviderFactory.getComponentProvider
(GuiceComponentProviderFactory.java:82)
        at
com.sun.jersey.spi.guice.container.servlet.GuiceComponentProviderFactory.getComponentProvider
(GuiceComponentProviderFactory.java:27)
        at
com.sun.jersey.core.spi.component.ioc.IoCProviderFactory._getComponentProvider
(IoCProviderFactory.java:61)
        at
com.sun.jersey.core.spi.component.ProviderFactory.getComponentProvider
(ProviderFactory.java:105)
        at
com.sun.jersey.core.spi.component.ProviderServices.getComponent
(ProviderServices.java:155)
        at
com.sun.jersey.core.spi.component.ProviderServices.getProvidersAndServices
(ProviderServices.java:111)
        at
com.sun.jersey.core.spi.factory.MessageBodyFactory.getProviderMap
(MessageBodyFactory.java:134)
        at
com.sun.jersey.core.spi.factory.MessageBodyFactory.initReaders
(MessageBodyFactory.java:108)
        at com.sun.jersey.core.spi.factory.MessageBodyFactory.init
(MessageBodyFactory.java:103)
        at
com.sun.jersey.server.impl.application.WebApplicationImpl.initiate
(WebApplicationImpl.java:462)
        at
com.sun.jersey.spi.guice.container.servlet.GuiceServlet.initiate
(GuiceServlet.java:46)
        at com.sun.jersey.spi.container.servlet.ServletContainer.load
(ServletContainer.java:530)
        at com.sun.jersey.spi.container.servlet.ServletContainer.init
(ServletContainer.java:197)
        at com.wideplay.warp.servlet.ServletDefinition.init
(ServletDefinition.java:50)
        at com.wideplay.warp.servlet.ManagedServletPipeline.init
(ManagedServletPipeline.java:31)
        at com.wideplay.warp.servlet.ManagedFilterPipeline.initPipeline
(ManagedFilterPipeline.java:38)
        at com.wideplay.warp.servlet.WebFilter.init(WebFilter.java:70)
        at org.apache.catalina.core.ApplicationFilterConfig.getFilter
(ApplicationFilterConfig.java:257)
        at
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef
(ApplicationFilterConfig.java:369)
        at org.apache.catalina.core.ApplicationFilterConfig.<init>
(ApplicationFilterConfig.java:103)
        at org.apache.catalina.core.StandardContext.filterStart
(StandardContext.java:4389)
        at org.apache.catalina.core.StandardContext.start
(StandardContext.java:5189)
        at com.sun.enterprise.web.WebModule.start(WebModule.java:326)
        at org.apache.catalina.core.ContainerBase.addChildInternal
(ContainerBase.java:973)
        at org.apache.catalina.core.ContainerBase.addChild
(ContainerBase.java:957)
        at org.apache.catalina.core.StandardHost.addChild
(StandardHost.java:688)
        at com.sun.enterprise.web.WebContainer.loadWebModule
(WebContainer.java:1584)
        at com.sun.enterprise.web.WebContainer.loadWebModule
(WebContainer.java:1222)
        at
com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed
(WebModuleDeployEventListener.java:182)
        at
com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed
(WebModuleDeployEventListener.java:278)
        at
com.sun.enterprise.admin.event.AdminEventMulticaster.invokeModuleDeployEventListener
(AdminEventMulticaster.java:974)
        at
com.sun.enterprise.admin.event.AdminEventMulticaster.handleModuleDeployEvent
(AdminEventMulticaster.java:961)
        at
com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent
(AdminEventMulticaster.java:464)
        at
com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent
(AdminEventMulticaster.java:176)
        at
com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent
(DeploymentNotificationHelper.java:308)
        at
com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent
(DeploymentServiceUtils.java:226)
        at
com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent
(ServerDeploymentTarget.java:298)
        at
com.sun.enterprise.deployment.phasing.ApplicationStartPhase.runPhase
(ApplicationStartPhase.java:132)
        at
com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase
(DeploymentPhase.java:108)
        at
com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases
(PEDeploymentService.java:919)
        at
com.sun.enterprise.deployment.phasing.PEDeploymentService.start
(PEDeploymentService.java:591)
        at
com.sun.enterprise.deployment.phasing.PEDeploymentService.start
(PEDeploymentService.java:635)
        at
com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start
(ApplicationsConfigMBean.java:744)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean
(MBeanHelper.java:375)
        at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean
(MBeanHelper.java:358)
        at com.sun.enterprise.admin.config.BaseConfigMBean.invoke
(BaseConfigMBean.java:464)
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke
(DefaultMBeanServerInterceptor.java:836)
        at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke
(JmxMBeanServer.java:761)
        at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown
Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke
(ProxyClass.java:90)
        at $Proxy1.invoke(Unknown Source)
        at
com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke
(SunoneInterceptor.java:304)
        at com.sun.enterprise.interceptor.DynamicInterceptor.invoke
(DynamicInterceptor.java:174)
        at
com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call
(InvokeCaller.java:69)
        at
com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle
(MBeanServerRequestHandler.java:155)
        at
com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest
(RemoteJmxConnectorServlet.java:122)
        at
com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost
(RemoteJmxConnectorServlet.java:193)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:
738)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:
831)
        at
org.apache.catalina.core.ApplicationFilterChain.servletService
(ApplicationFilterChain.java:411)
        at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:290)
        at org.apache.catalina.core.StandardContextValve.invokeInternal
(StandardContextValve.java:271)
        at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:202)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:577)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:
94)
        at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:206)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:1080)
        at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:150)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:1080)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service
(CoyoteAdapter.java:272)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter
(DefaultProcessorTask.java:637)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess
(DefaultProcessorTask.java:568)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process
(DefaultProcessorTask.java:813)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask
(DefaultReadTask.java:341)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask
(DefaultReadTask.java:263)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask
(DefaultReadTask.java:214)
        at com.sun.enterprise.web.connector.grizzly.TaskBase.run
(TaskBase.java:265)
        at
com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run
(WorkerThreadImpl.java:116)
PWC1306: Startup of context /adcaster/v1 failed due to previous errors

My code want to find out whether a class is injectable, not actually
try injecting it.

Gili
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