Google App Engine HTTP錯誤500遠程API調用：I / O錯誤

Question

測試使用本地服務器的登錄時，始終會收到此錯誤。 任何想法如何解決這個問題。

這是一個使用Spring MVC，Google數據存儲和IntelliJ的Java項目。

錯誤信息僅庫中包含文件。

非常感謝您對研究地點的任何投入。

HTTP ERROR 500

Problem accessing /home. Reason:

    remote API call: I/O error

Caused by:
com.google.appengine.tools.remoteapi.RemoteApiException: remote API call: I/O error
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.makeException(RemoteRpc.java:140)
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.callImpl(RemoteRpc.java:100)
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.call(RemoteRpc.java:48)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate.makeSyncCall(RemoteApiDelegate.java:45)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:56)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:52)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

Caused by: java.io.IOException: Unable to parse header: HTTP/1.1 200 OK
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.parseTrailerHeaders(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.nextChunk(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.read(Unknown Source)
    at java.io.FilterInputStream.read(FilterInputStream.java:133)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.AutoCloseInputStream.read(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpMethodBase.getResponseBody(Unknown Source)
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.callImpl(RemoteRpc.java:93)
    ... 8 more

Caused by: com.google.appengine.repackaged.org.apache.commons.httpclient.ProtocolException: Unable to parse header: HTTP/1.1 200 OK
    at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpParser.parseHeaders(Unknown Source)
    ... 15 more

Caused by:
java.io.IOException: Unable to parse header: HTTP/1.1 200 OK
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.parseTrailerHeaders(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.nextChunk(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.read(Unknown Source)
    at java.io.FilterInputStream.read(FilterInputStream.java:133)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.AutoCloseInputStream.read(Unknown Source)
    at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpMethodBase.getResponseBody(Unknown Source)
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.callImpl(RemoteRpc.java:93)
    at com.google.appengine.tools.development.devappserver2.RemoteRpc.call(RemoteRpc.java:48)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate.makeSyncCall(RemoteApiDelegate.java:45)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:56)
    at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:52)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

Caused by: com.google.appengine.repackaged.org.apache.commons.httpclient.ProtocolException: Unable to parse header: HTTP/1.1 200 OK
    at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpParser.parseHeaders(Unknown Source)
    ... 15 more

    Caused by:
com.google.appengine.repackaged.org.apache.commons.httpclient.ProtocolException: Unable to parse header: HTTP/1.1 200 OK
        at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpParser.parseHeaders(Unknown Source)
        at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.parseTrailerHeaders(Unknown Source)
        at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.nextChunk(Unknown Source)
        at com.google.appengine.repackaged.org.apache.commons.httpclient.ChunkedInputStream.read(Unknown Source)
        at java.io.FilterInputStream.read(FilterInputStream.java:133)
        at com.google.appengine.repackaged.org.apache.commons.httpclient.AutoCloseInputStream.read(Unknown Source)
        at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpMethodBase.getResponseBody(Unknown Source)
        at com.google.appengine.tools.development.devappserver2.RemoteRpc.callImpl(RemoteRpc.java:93)
        at 

com.google.appengine.tools.development.devappserver2.RemoteRpc.call(RemoteRpc.java:48)
        at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate.makeSyncCall(RemoteApiDelegate.java:45)
        at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:56)
        at com.google.appengine.tools.development.devappserver2.RemoteApiDelegate$1.call(RemoteApiDelegate.java:52)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
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Answer 1

看起來該錯誤是由於Internet帶寬所致。 當我們切換提供更好的Internet的位置時，問題就消失了。