Process timeout on changeset branch info REST call

2013-11-22 09:11:40,241 DEBUG [http-bio-7990-exec-31] voodoo 551x361x4 m751bs 127.0.0.1 "GET /rest/branch-utils/latest/projects/PROJECT/repos/repo/branches/info/23d2b5c777d94a603c489ac049628ea177463fcb HTTP/1.0" c.a.s.r.e.ServiceExceptionMapper Mapping ServiceException to REST response 500
com.atlassian.stash.exception.ServerException: An error occurred while executing an external process: process timed out
	at com.atlassian.stash.scm.git.common.command.GitCommandExitHandler.evaluateThrowable(GitCommandExitHandler.java:120) ~[na:na]
	at com.atlassian.stash.scm.git.common.command.GitCommandExitHandler.onError(GitCommandExitHandler.java:163) ~[na:na]
	at com.atlassian.stash.scm.DefaultCommandExitHandler.onExit(DefaultCommandExitHandler.java:35) ~[stash-spi-2.9.1.jar:na]
	at com.atlassian.stash.scm.BaseCommand.callExitHandler(BaseCommand.java:141) ~[stash-spi-2.9.1.jar:na]
	at com.atlassian.stash.scm.BaseCommand$CommandFuture.internalGet(BaseCommand.java:257) ~[stash-spi-2.9.1.jar:na]
	at com.atlassian.stash.scm.BaseCommand$CommandFuture.get(BaseCommand.java:224) ~[stash-spi-2.9.1.jar:na]
	at com.atlassian.stash.scm.BaseCommand.call(BaseCommand.java:78) ~[stash-spi-2.9.1.jar:na]
	at com.atlassian.stash.internal.branch.info.git.GitBranchInformation.getBranches(GitBranchInformation.scala:79) ~[stash-branch-utils-2.9.1_1384828358000.jar:na]
	at com.atlassian.stash.internal.branch.info.DefaultBranchInformationService.getFilteredBranches$1(DefaultBranchInformationService.scala:26) ~[stash-branch-utils-2.9.1_1384828358000.jar:na]
	at com.atlassian.stash.internal.branch.info.DefaultBranchInformationService.getBranches(DefaultBranchInformationService.scala:40) ~[stash-branch-utils-2.9.1_1384828358000.jar:na]
	at com.atlassian.stash.internal.branch.rest.BranchUtilsResource.getBranches(BranchUtilsResource.java:107) ~[stash-branch-utils-2.9.1_1384828358000.jar:na]
	at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:25) [applinks-plugin-4.0.5_1384476184000.jar:na]
	at com.atlassian.stash.internal.spring.security.StashAuthenticationFilter.doFilter(StashAuthenticationFilter.java:90) [StashAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doInsideSpringSecurityChain(BeforeLoginPluginAuthenticationFilter.java:111) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:77) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:100) [atlassian-trusted-apps-core-3.0.2.jar:na]
	at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:61) [atlassian-oauth-service-provider-plugin-1.9.0-m3_1384476184000.jar:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doBeforeBeforeLoginFilters(BeforeLoginPluginAuthenticationFilter.java:89) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:75) [BeforeLoginPluginAuthenticationFilter.class:na]
	at com.atlassian.stash.internal.request.DefaultRequestManager.doAsRequest(DefaultRequestManager.java:72) [stash-service-impl-2.9.1.jar:na]
	at java.lang.Thread.run(Thread.java:662) [na:1.6.0_45]
	... 174 frames trimmed
Caused by: com.atlassian.utils.process.ProcessTimeoutException: process timed out
	at com.atlassian.utils.process.ExternalProcessImpl.wrapUpProcess(ExternalProcessImpl.java:506) ~[atlassian-processutils-1.5.14.jar:na]
	at com.atlassian.utils.process.ExternalProcessImpl.finish(ExternalProcessImpl.java:423) ~[atlassian-processutils-1.5.14.jar:na]
	at com.atlassian.stash.scm.BaseCommand$CommandFuture.get(BaseCommand.java:222) ~[stash-spi-2.9.1.jar:na]
	... 16 common frames omitted