MATLAB Answers

can't update matlab 2020a

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Nikita Gvardi
Nikita Gvardi on 27 May 2020
Answered: Yuze Zou on 18 Dec 2020
When trying to update matlab 2020a got "Something unexpected occurred" error - log data provided below.
(May 27, 2020 14:21:18) Stopping task MATLAB R2020a Startup Accelerator
(May 27, 2020 14:21:40) Something unexpected occurred.: This is not common.
To resolve this issue, contact Technical Support.
at com.mathworks.update_installer.ExceptionHandlerImpl.createUpdateInstallerException(Unknown Source)
at com.mathworks.update_installer.ExceptionHandlerImpl.processException(Unknown Source)
at com.mathworks.update_installer.UpdateInstallerService.updateInstallation(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.mathworks.installservicehandler.JsonPassThroughResponseWrapper.getData(JsonPassThroughResponseWrapper.java:24)
at com.mathworks.installservicehandler.JsonPassThroughResponseWrapper.getData(JsonPassThroughResponseWrapper.java:10)
at com.mathworks.laisserver.impl.helper.RequestHandler.handleRequest(RequestHandler.java:44)
at com.mathworks.laisserver.impl.JsonServlet.doPost(JsonServlet.java:27)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:457)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:364)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:488)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:943)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1004)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1199)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162)
at com.mathworks.instutil.URLConnectionFactoryImpl.createURLConnection(URLConnectionFactoryImpl.java:31)
at com.mathworks.instutil.DownloaderImpl.downloadFile(DownloaderImpl.java:55)
at com.mathworks.instutil.DownloaderImpl.download(DownloaderImpl.java:42)
at com.mathworks.install_impl.input.UpdateComponentDownloader.download(Unknown Source)
at com.mathworks.install_impl.InstallableComponentImpl.download(Unknown Source)
at com.mathworks.install_impl.ProductInstallerImpl.updateProducts(Unknown Source)
at com.mathworks.install_impl.InstallerImpl.update(Unknown Source)
at com.mathworks.install_task.UpdateTask.execute(UpdateTask.java:46)
at com.mathworks.install_task.AbstractDefaultInstallTask.call(AbstractDefaultInstallTask.java:24)
... 35 more
(May 27, 2020 14:26:54) Update session complete.
  4 Comments
Nikita Gvardi
Nikita Gvardi on 28 May 2020
TY will tri it out

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Answers (1)

Yuze Zou
Yuze Zou on 18 Dec 2020
I had the same problem. Temporarily turn off firewall solves the issue for me.

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