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Luna 4.4.2 + JDK 8 : cannot open git-upload-pack [message #1692586]

Thu, 16 April 2015 12:02

Eclipse User

Hi,

I have trouble fetching a repository when using JDK8 (jdk8u25) with Luna 4.4.2 (up-to-date as of 16-apr-2015).
Using the same settings wit with JDK7 (jdk7u76) works fine.

Setup is :
- CentOS 6.6 up-to-date
- JDK from Oracle
- server is Gerrit 2.9.4 accessed through HTTPS and a valid certificate (not self-signed, not revoked, issued by GlobalSign)
- a proxy is used to access the server.

Here are the logs (note : server.eclipse.org is just for the board to allow the post) :

!SUBENTRY 1 org.eclipse.egit.ui 4 0 2015-04-16 15:22:31.304
!MESSAGE https:// username@server/p/sandbox: cannot open git-upload-pack
!STACK 0
org.eclipse.jgit.api.errors.TransportException: https:// username@server/p/sandbox: cannot open git-upload-pack
   at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:139)
   at org.eclipse.egit.core.op.FetchOperation.run(FetchOperation.java:134)
   at org.eclipse.egit.ui.internal.fetch.FetchOperationUI.execute(FetchOperationUI.java:103)
   at org.eclipse.egit.ui.internal.fetch.FetchOperationUI$1.runInWorkspace(FetchOperationUI.java:123)
   at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
   at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.jgit.errors.TransportException: https:// username@server/p/sandbox: cannot open git-upload-pack
   at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:521)
   at org.eclipse.jgit.transport.TransportHttp.openFetch(TransportHttp.java:309)
   at org.eclipse.jgit.transport.FetchProcess.executeImp(FetchProcess.java:136)
   at org.eclipse.jgit.transport.FetchProcess.execute(FetchProcess.java:122)
   at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1111)
   at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:130)
   ... 5 more
Caused by: java.net.SocketException: Unexpected end of file from server
   at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:792)
   at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
   at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:789)
   at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
   at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1535)
   at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1440)
   at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
   at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
   at org.eclipse.jgit.transport.http.JDKHttpConnection.getResponseCode(JDKHttpConnection.java:98)
   at org.eclipse.jgit.util.HttpSupport.response(HttpSupport.java:168)
   at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:475)
   ... 10 more

Any clues ?

Thanks,
Ionel

[SOLVED] Luna 4.4.2 + JDK 8 : cannot open git-upload-pack [message #1692600 is a reply to message #1692586]

Thu, 16 April 2015 14:11

Eclipse User

Found a solution.

Our server does not support TLSv1.2, only TLSv1.1 and TLSv1.0.

Java 8 default TLS protocol is 1.2 whereas it is 1.0 with Java 7.
For an unknown reason, when Egit connects to the server, it does not fallback to TLSv1.1 after TLS1.2 fails to establish the connection.

I don't know if it's an Egit or a Java 8 issue.

So, the solution found is to add "-Dhttps.protocols=TLSv1" to the eclipse.ini file.

Re: [SOLVED] Luna 4.4.2 + JDK 8 : cannot open git-upload-pack [message #1692640 is a reply to message #1692600]

Fri, 17 April 2015 03:38

Eclipse User

JGit sets SSLContext to "TLS"[1], not sure what this means for potential fallback on different Java versions:

in org.eclipse.jgit.transport.http.JDKHttpConnection:

public void configure(KeyManager[] km, TrustManager[] tm,
SecureRandom random) throws NoSuchAlgorithmException,
KeyManagementException {
SSLContext ctx = SSLContext.getInstance("TLS"); //$NON-NLS-1$
ctx.init(km, tm, random);
((HttpsURLConnection) wrappedUrlConnection).setSSLSocketFactory(ctx
.getSocketFactory());
}

[1] http://git.eclipse.org/c/jgit/jgit.git/tree/org.eclipse.jgit/src/org/eclipse/jgit/transport/http/JDKHttpConnection.java#n189

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