java.io.IOException: UT000020: Connection terminated as request was larger than 10485760 looks like Wildfly's servlet container limits the request size to 10MB. A quick search on the web found this https://docs.jboss.org/author/display/WFLY10/Undertow+subsystem+configuration#Undertowsubsystemconfiguration-Connectorconfiguration so try to set max-post-size to a larger value.

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UT000020: Connection terminated as request was larger than 10485760 looks like Wildfly's servlet container limits the request size to 10MB. A quick search on the web found this https://docs.jboss.org/author/display/WFLY10/Undertow+subsystem+configuration#Undertowsubsystemconfiguration-Connectorconfiguration so try to set max-post-size to a larger value.
java.io.IOException: UT000020: Connection terminated as request was larger than 10485760 looks like Wildfly's servlet container limits the request size to 10MB. A quick search on the web found this https://docs.jboss.org/author/display/WFLY10/Undertow+subsystem+configuration#Undertowsubsystemconfiguration-Connectorconfiguration so try to set max-post-size to a larger value.
at io.undertow.conduits.ChunkedStreamSourceConduit.updateRemainingAllowed(ChunkedStreamSourceConduit.java:131)
at io.undertow.conduits.ChunkedStreamSourceConduit.read(ChunkedStreamSourceConduit.java:249)
at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
at io.undertow.channels.DetachableStreamSourceChannel.read(DetachableStreamSourceChannel.java:209)
at io.undertow.servlet.spec.ServletInputStreamImpl.readIntoBuffer(ServletInputStreamImpl.java:170)
at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:146)
at org.eclipse.jgit.transport.PackParser.fill(PackParser.java:1131)
at org.eclipse.jgit.transport.PackParser.access$000(PackParser.java:97)
at org.eclipse.jgit.transport.PackParser$InflaterStream.read(PackParser.java:1663)
at java.io.InputStream.read(InputStream.java:101)
at org.eclipse.jgit.transport.PackParser.whole(PackParser.java:983)
at org.eclipse.jgit.transport.PackParser.indexOneObject(PackParser.java:916)
at org.eclipse.jgit.transport.PackParser.parse(PackParser.java:487)
at org.eclipse.jgit.internal.storage.file.ObjectDirectoryPackParser.parse(ObjectDirectoryPackParser.java:194)
at org.eclipse.jgit.transport.BaseReceivePack.receivePack(BaseReceivePack.java:1038)
at org.eclipse.jgit.transport.BaseReceivePack.receivePackAndCheckConnectivity(BaseReceivePack.java:861)
at org.eclipse.jgit.transport.ReceivePack.service(ReceivePack.java:191)
at org.eclipse.jgit.transport.ReceivePack.receive(ReceivePack.java:160)
at org.eclipse.jgit.http.server.ReceivePackServlet.doPost(ReceivePackServlet.java:187)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jgit.http.server.glue.UrlPipeline$Chain.doFilter(UrlPipeline.java:237)
at org.eclipse.jgit.http.server.ReceivePackServlet$Factory.doFilter(ReceivePackServlet.java:144)
at org.eclipse.jgit.http.server.glue.UrlPipeline$Chain.doFilter(UrlPipeline.java:235)
at org.eclipse.jgit.http.server.RepositoryFilter.doFilter(RepositoryFilter.java:151)
at org.eclipse.jgit.http.server.glue.UrlPipeline$Chain.doFilter(UrlPipeline.java:235)
at org.eclipse.jgit.http.server.NoCacheFilter.doFilter(NoCacheFilter.java:80)
at org.eclipse.jgit.http.server.glue.UrlPipeline$Chain.doFilter(UrlPipeline.java:235)
at org.eclipse.jgit.http.server.glue.UrlPipeline.service(UrlPipeline.java:215)
at org.eclipse.jgit.http.server.glue.SuffixPipeline.service(SuffixPipeline.java:101)
at org.eclipse.jgit.http.server.glue.MetaFilter.doFilter(MetaFilter.java:175)
at com.gitblit.servlet.GitServlet.service(GitServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at com.gitblit.servlet.EnforceAuthenticationFilter.doFilter(EnforceAuthenticationFilter.java:87)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at com.gitblit.servlet.AccessRestrictionFilter.doFilter(AccessRestrictionFilter.java:228)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at com.gitblit.servlet.ProxyFilter$1.doFilter(ProxyFilter.java:74)
at com.gitblit.servlet.ProxyFilter.doFilter(ProxyFilter.java:77)
at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263)
at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:198)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:784)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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