SmartTomcat fails to start with portE is null

Hi all,

I've a problem to start start tomcat with SmartTomcat plugin.

At startup , the following java error message is sent:

java.lang.RuntimeException: java.lang.NullPointerException: Cannot invoke "org.w3c.dom.Element.removeAttribute(String)" because "portE" is null
    at com.poratu.idea.plugins.tomcat.conf.TomcatCommandLineState.createJavaParameters(TomcatCommandLineState.java:171)
    at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
    at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runReadAction(NestedLocksThreadingSupport.kt:784)
    at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:1043)
    at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:66)
    at com.intellij.execution.configurations.JavaCommandLineState.getJavaParameters(JavaCommandLineState.java:45)
    at com.intellij.execution.impl.DefaultJavaProgramRunner.patchJavaCommandLineParams(DefaultJavaProgramRunner.java:130)
    at com.intellij.execution.impl.DefaultJavaProgramRunner.lambda$doExecute$3(DefaultJavaProgramRunner.java:120)
    at com.intellij.execution.runners.JavaProgramPatcher.lambda$patchJavaCommandLineParamsUnderProgress$2(JavaProgramPatcher.java:41)
    at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:349)
    at com.intellij.openapi.progress.impl.CoreProgressManager.startTask(CoreProgressManager.java:498)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.startTask(ProgressManagerImpl.java:119)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressSynchronously$10(CoreProgressManager.java:588)
    at com.intellij.openapi.progress.impl.ProgressRunner.lambda$new$0(ProgressRunner.java:88)
    at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:252)
    at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:98)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$1(CoreProgressManager.java:229)
    at com.intellij.platform.diagnostic.telemetry.helpers.TraceKt.use(trace.kt:44)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:228)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$14(CoreProgressManager.java:681)
    at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:756)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:712)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:680)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:78)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:209)
    at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:98)
    at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$5(ProgressRunner.java:252)
    at com.intellij.openapi.progress.impl.ProgressRunner$ProgressRunnable.run(ProgressRunner.java:515)
    at com.intellij.openapi.progress.impl.ProgressRunner.lambda$launchTask$18(ProgressRunner.java:480)
    at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
    at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
    at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:173)
    at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:167)
    at com.intellij.openapi.progress.impl.ProgressRunner.lambda$launchTask$19(ProgressRunner.java:476)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
    at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:735)
    at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:732)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:732)
    at java.base/java.lang.Thread.run(Thread.java:1583)
 

IntelliJ version is 2025.2.3

JDK is 1.8

Tomcat version is 9.0.89

SmartTomcat version is 4.7.5

SmartTomcat config is in attached snapshot.

In advance thanks for your help.

Regards.