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mwalter / MavenDependencyChecker

The plugin for the IntelliJ IDE checks if there are any new Maven project dependencies available and if so, shows all dependencies which can be updated.
https://plugins.jetbrains.com/plugin/18525-maven-dependency-checker
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Error when executing the Maven dependency check #11

Open mirko-brauns-sid opened 1 week ago

mirko-brauns-sid commented 1 week ago

When executing the Maven dependency check (version 1.14.0) in IntelliJ IDEA 2024.3 (Ultimate Edition) Build #IU-243.21565.193 the following error occurs:

java.lang.NullPointerException: Cannot invoke "String.length()" because "s" is null
    at java.base/java.io.StringReader.<init>(StringReader.java:50)
    at org.json.JSONTokener.<init>(JSONTokener.java:70)
    at org.json.JSONObject.<init>(JSONObject.java:430)
    at ch.newinstance.plugin.mavendependencychecker.util.VersionComparator.extractVersionInfoFromJson(VersionComparator.java:126)
    at ch.newinstance.plugin.mavendependencychecker.util.VersionComparator.compareDependencyVersions(VersionComparator.java:37)
    at ch.newinstance.plugin.mavendependencychecker.action.CheckMavenDependencyAction.actionPerformed(CheckMavenDependencyAction.java:82)
    at com.intellij.openapi.actionSystem.ex.ActionUtil.doPerformActionOrShowPopup(ActionUtil.kt:374)
    at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks$lambda$7(ActionUtil.kt:343)
    at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.performWithActionCallbacks(ActionManagerImpl.kt:1173)
    at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAwareWithCallbacks(ActionUtil.kt:342)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.performAction$lambda$5(ActionMenuItem.kt:273)
    at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:231)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.performAction(ActionMenuItem.kt:265)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem._init_$lambda$0(ActionMenuItem.kt:72)
    at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed$lambda$4(ActionMenuItem.kt:103)
    at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:109)
    at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:98)
    at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.kt:102)
    at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:521)
    at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:554)
    at java.desktop/java.awt.Component.processMouseEvent(Component.java:6662)
    at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3394)
    at java.desktop/java.awt.Component.processEvent(Component.java:6427)
    at java.desktop/java.awt.Container.processEvent(Container.java:2266)
    at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5032)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4860)
    at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4963)
    at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4577)
    at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4518)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
    at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2810)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4860)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:783)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
    at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:755)
    at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:753)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:752)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:675)
    at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.kt:621)
    at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$21(IdeEventQueue.kt:564)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:128)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:564)
    at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16$lambda$15(IdeEventQueue.kt:355)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:857)
    at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16(IdeEventQueue.kt:354)
    at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2$lambda$1(IdeEventQueue.kt:1045)
    at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:128)
    at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:916)
    at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
    at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
    at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2(IdeEventQueue.kt:1045)
    at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:1054)
    at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:117)
    at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1054)
    at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18(IdeEventQueue.kt:349)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:395)
    at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
    at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
mwalter commented 1 week ago

Hi Mirko, could you provide your pom.xml? Or is it possible to specify which of your Maven dependencies is causing the exception? Thanks.

mirko-brauns-sid commented 1 week ago

Hi Marc, thank you very much for the quick reply. I have been able to narrow down the problem. It is the proxy. If I use “Auto-detect proxy settings” or “Manual proxy configuration” in IntelliJ, the said error occurs. It may be due to the fact that our company proxy requires authentication. If I use a proxy without authentication, everything works as desired. This is not a problem for me. Nevertheless, thank you very much for your efforts.