如何修復 IntelliJ 插件中的“連接被拒絕”異常

Question

我正在從頭開始為 IntelliJ（社區版 15.0.3）開發一個插件。
從一開始我就有下面的例外。

希望有人可以幫助我理解為什么我會收到此警告以及我應該如何解決它？

錯誤信息：

WARN: Connection refused: connect

java.net.ConnectException: Connection refused: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:579)
    at java.net.Socket.connect(Socket.java:528)
    at java.net.Socket.<init>(Socket.java:425)
    at java.net.Socket.<init>(Socket.java:241)
    at com.intellij.idea.SocketLock.tryActivate(SocketLock.java:184)
    at com.intellij.idea.SocketLock.access$300(SocketLock.java:50)
    at com.intellij.idea.SocketLock$2.call(SocketLock.java:124)
    at com.intellij.idea.SocketLock$2.call(SocketLock.java:113)
    at com.intellij.idea.SocketLock.underLocks(SocketLock.java:157)
    at com.intellij.idea.SocketLock.lock(SocketLock.java:113)
    at com.intellij.idea.StartupUtil.lockSystemFolders(StartupUtil.java:263)
    at com.intellij.idea.StartupUtil.prepareAndStart(StartupUtil.java:101)
    at com.intellij.idea.MainImpl.start(MainImpl.java:34)
    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:606)
    at com.intellij.ide.plugins.PluginManager$2.run(PluginManager.java:90)
    at java.lang.Thread.run(Thread.java:744)

我的項目組件.java：

import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;

public class MyProjectComponent implements ProjectComponent {

    private Project project;

    public MyProjectComponent(Project project) {
        this.project = project;
    }

    @Override
    public void projectOpened() {
        System.out.println("projectOpened");
    }

    @Override
    public void projectClosed() {
        System.out.println("projectClosed");
    }

    @Override
    public void initComponent() {
        System.out.println("initComponent");
    }

    @Override
    public void disposeComponent() {
        System.out.println("disposeComponent");
    }

    @NotNull
    @Override
    public String getComponentName() {
        return "ProjectComponent";
    }
}

Answer 1

此異常來自 IntelliJ 平台代碼，而不是來自您的插件。 您無法或不應該更改插件代碼來修復它。