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NullPointerException #648

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@Wujiaxuan007

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@Wujiaxuan007

java.lang.NullPointerException: Cannot read field "userCache" because the return value of "com.shuzijun.leetcode.plugin.window.NavigatorTabsPanel$DisposableMap.get(Object)" is null
at com.shuzijun.leetcode.plugin.window.NavigatorTabsPanel.getUser(NavigatorTabsPanel.java:175)
at com.shuzijun.leetcode.plugin.window.NavigatorTabsPanel.lambda$new$0(NavigatorTabsPanel.java:103)
at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:252)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699)
at java.base/java.lang.Thread.run(Thread.java:833)

IDEA: 2023.1
MacOS 10.15.7

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