I'm running tomcat6 on centos 6, keeps getting the following error in the log upon startup. I have a pretty standard out of the box configuration, it's a new install.
org.apache.catalina.mbeans.ServerLifecycleListener lifecycleEvent
SEVERE: destroyMBeans: Throwable
javax.management.MalformedObjectNameException: Cannot create object name for org.apache.catalina.connector.Connector#d02b2b6
at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.java:764)
at org.apache.catalina.mbeans.MBeanUtils.destroyMBean(MBeanUtils.java:1416)
at org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:678)
at org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:1005)
at org.apache.catalina.mbeans.ServerLifecycleListener.destroyMBeans(ServerLifecycleListener.java:971)
at org.apache.catalina.mbeans.ServerLifecycleListener.lifecycleEvent(ServerLifecycleListener.java:154)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:748)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:643)
at org.apache.catalina.startup.Catalina.start(Catalina.java:618)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
According to this tomcat6 bug report:
https://issues.apache.org/bugzilla/show_bug.cgi?id=48612
It is a bug in 6.0.24 (current for centos6) and fixed in subsequent versions. We'll have to wait for the fix to trickle down.
Whether there's a workaround is not specified. Whether it is actually SEVERE is not specified... Too bad.
If you install tomcat6-webapps package the error disappears, probably a missed dependency.
Related
I just made a Gui builder project, designed a login form but whenever I try to build or compile, i get the below exception
java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/sun/xml/bind/v2/model/annotation/AnnotationReader
at com.codename1.build.client.GenerateGuiSources.generateGuiSource(GenerateGuiSources.java:294)
at com.codename1.build.client.GenerateGuiSources.generateGuiSource(GenerateGuiSources.java:246)
at com.codename1.build.client.GenerateGuiSources.execute(GenerateGuiSources.java:216)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at jdk.internal.reflect.GeneratedMethodAccessor99.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:261)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:574)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:128)
The problematic line seems to be <generateGuiSources srcDir="src" encoding="UTF-8" guiDir="res/guibuilder" /> in the build.xml file.
I have tried both JDK 8 and 11, still same results. My Netbeans version is also 11. I have updated project files in the codenameone settings, refreshed libs but still got the same result. Any solution to this will be appreciated.
When we use spark through zeppelin spark interpreter in share per note model, sometimes we get the following error info:
WARN [2019-11-11 13:37:29,610] ({pool-2-thread-16} NotebookServer.java[afterStatusChange]:2302) - Job 20191028-172705_1731645157 is finished, status: ERROR, exception: null, result: %text java.lang.IllegalStateException: Cannot call methods on a stopped SparkContext.
This stopped SparkContext was created at:
org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:925)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.apache.zeppelin.spark.BaseSparkScalaInterpreter.spark2CreateContext(BaseSparkScalaInterpreter.scala:233)
org.apache.zeppelin.spark.BaseSparkScalaInterpreter.createSparkContext(BaseSparkScalaInterpreter.scala:165)
org.apache.zeppelin.spark.SparkScala211Interpreter.open(SparkScala211Interpreter.scala:87)
org.apache.zeppelin.spark.NewSparkInterpreter.open(NewSparkInterpreter.java:102)
org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:62)
org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69)
org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:617)
org.apache.zeppelin.scheduler.Job.run(Job.java:188)
org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:140)
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
The currently active SparkContext was created at:
(No active SparkContext.
we have reproduce this error info by the following steps:
create two notes, one is note A, the other is note B
for note A and B, run some paragraghs and see all succeeded
now, delete note A and then we run next paragragh in B, then the error happened
How can we solve this problem? is this a issue of zeppelin spark interpreter itself?
I have run into the same error message. From your description above I realized that I was running two Zeppelin instances with the same interpreter which were pointing to the same data sources (but different notebooks). On my side, I solved the issue by closing the second Zeppelin instance, and restarting my interpret.
I would suggest that you investigate the configs of your interpreter, being global or per user, to see if that may not be the cause of the problem.
I am trying to use chrome driver for selenium . While all other operations work okay, when I use the below code I am getting exception. The element does exist and driver is not null. If I comment out the this call (and replace with sleep), the test moves fine. Any idea what could be the reason for the failure.
WebDriverWait wait = new WebDriverWait(driver, timeout);
wait.until(ExpectedConditions.visibilityOf(element));
java.lang.NullPointerException
at org.openqa.selenium.remote.RemoteWebElement.isDisplayed(RemoteWebElement.java:320)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.invoke(LocatingElementHandler.java:51)
at com.sun.proxy.$Proxy10.isDisplayed(Unknown Source)
at org.openqa.selenium.support.ui.ExpectedConditions.elementIfVisible(ExpectedConditions.java:315)
at org.openqa.selenium.support.ui.ExpectedConditions.access$100(ExpectedConditions.java:44)
at org.openqa.selenium.support.ui.ExpectedConditions$10.apply(ExpectedConditions.java:301)
at org.openqa.selenium.support.ui.ExpectedConditions$10.apply(ExpectedConditions.java:298)
at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:248)
Downgrading selenium to 3.0.1 solved the issue.
This error might have been caused by the chromedriver. I faced the same issue with chrome driver version 77.x and then issue was resolved when I downgraded chromedriver to version 76.x. Refer below page:
https://bugs.chromium.org/p/chromedriver/issues/detail?id=3123
I executed a query in Saiku and tried to export it to Excel. It throws error page.
Below are the error logs :::
10:05:22,885 ERROR [QueryResource] Cannot get excel for query (01976CF4-EB20-DE88-94CA-E8E8F2A74EA5)
java.lang.NullPointerException
at sun.font.FontManager.getDefaultPlatformFont(FontManager.java:3409)
at sun.java2d.SunGraphicsEnvironment$2.run(SunGraphicsEnvironment.java:263)
at java.security.AccessController.doPrivileged(Native Method)
at sun.java2d.SunGraphicsEnvironment.<init>(SunGraphicsEnvironment.java:164)
at sun.awt.X11GraphicsEnvironment.<init>(X11GraphicsEnvironment.java:254)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
Please assist in resolving this.
You need to have the system fonts installed on your box, I'm guessing you're running a headless Linux system?
Dear Selenium Experts,
I have come across the following run-time error from a JPA 2.0 program which appears to be related to Firefox Profile for some reason:
Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/collect/Maps
at org.openqa.selenium.firefox.FirefoxProfile.(FirefoxProfile.java:56)
at org.openqa.selenium.firefox.FirefoxProfile.(FirefoxProfile.java:79)
at model.DownloadCarDetail.getMercedezDetail(model.DownloadCarDetail:72)
at model.DownloadCarDetail.getMercedezDetail.main (model.DownloadCarDetail.getMercedezDetail.java:47)
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 4 more
Java Result: 1
I have kept Firefox to version 15 so that it is supported by Selenium Webdriver but suspect that the issue is to do with not able to read profile directory.
Your assistance would be very much apprecaited.
Many thanks,
George
The problem you are seeing has nothing to do with your Firefox profile.
Actually, it is the JVM classloader that complains that it can't find the com.google.common.collect.Maps class.
This usually means that you don't have Guava (which is a dependency for Selenium) on your classpath. Clean and rebuild your project, check your classpath, check the various versions of libraries that might be there. If you're using some kind of dependency management system (Maven, Ivy etc.), check it's configured right.
Import the .jar file to Eclipse downloaded from here (depending on the current version).
open this link https://www.seleniumhq.org/download/ and download Java 3.11.0(current version) open zip file to desktop on netbeans or eclips click add jars/file in selenium-java-3.11.0\libs select all file also in selenium-java-3.11.0 select client-combined-3.11.0.jar you will be ok. dont remember to add System.setProperty("webdriver.chrome.driver", "C:\\chromedriver.exe"); code. you can download chromedriver this link https://chromedriver.storage.googleapis.com/index.html?path=2.38/
In my case the Guava dependency was corrupt. Worked fine after I deleted the corrupt jars and rebuilt whole project.
Thank you for offerring your suggestion for a solution to this issue. I have found the exact answer from Selenium 2 WebDriver NoClassDefFoundErrorS which has resolved the underlying issue.
George
add below maven dependency and clean and compile your code.
<!-- https://mvnrepository.com/artifact/com.google.common/google-collect -->
<dependency>
<groupId>com.google.common</groupId>
<artifactId>google-collect</artifactId>
<version>0.5</version>
</dependency>