Unable to import git repo via ssh in Business-Central when a proxy is active in RHPAM 7

Issue

• When a Git repository is going to be imported in Business Central via SSH with an active proxy, it is not possible and the following exception appears:

  ERROR [org.uberfire.java.nio.fs.jgit.util.commands.Clone] (default task-12) Error cloning origin <ssh://git@<domain>:<port>/repository.git>.
  ERROR [org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl] (default task-12) Error during create repository: java.lang.RuntimeException: java.lang.RuntimeException: org.uberfire.java.nio.fs.jgit.util.commands.Clone$CloneException: Error cloning origin <ssh://git@<domain>:<port>/repository.git>.
          at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:137)
          at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.build(GitRepositoryBuilder.java:71)
          at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper.newRepository(GitRepositoryFactoryHelper.java:78)
          at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
          at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl.newRepository(RepositoryFactoryImpl.java:60)
          at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
          at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.cloneRepository(ExamplesServiceImpl.java:322)
          at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.resolveGitRepository(ExamplesServiceImpl.java:274)
          at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.getProjects(ExamplesServiceImpl.java:237)
          at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
          at org.kie.workbench.common.screens.impl.LibraryServiceImpl.getProjects(LibraryServiceImpl.java:464)
          at org.kie.workbench.common.screens.impl.LibraryServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          ...
  Caused by: java.lang.RuntimeException: org.uberfire.java.nio.fs.jgit.util.commands.Clone$CloneException: Error cloning origin <ssh://git@<domain>:<port>/repository.git>.
          at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.createNewGitRepo(JGitFileSystemProvider.java:690)
          at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.lambda$newFileSystem$2(JGitFileSystemProvider.java:558)
          at org.uberfire.java.nio.fs.jgit.manager.JGitFileSystemsManager.lambda$createFileSystemSupplier$0(JGitFileSystemsManager.java:105)
          at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.lambda$get$0(MemoizedFileSystemsSupplier.java:36)
          at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
          at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.get(MemoizedFileSystemsSupplier.java:35)
          at org.uberfire.java.nio.fs.jgit.JGitFileSystemProxy.getRootDirectories(JGitFileSystemProxy.java:199)
          at org.uberfire.java.nio.file.FileSystemMetadata.<init>(FileSystemMetadata.java:32)
          at org.uberfire.io.impl.AbstractIOService.registerFS(AbstractIOService.java:255)
          at org.uberfire.io.impl.AbstractIOService.newFileSystem(AbstractIOService.java:233)
          at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.newFileSystem(GitRepositoryBuilder.java:143)
          at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:127)
          ... 80 more
  Caused by: org.uberfire.java.nio.fs.jgit.util.commands.Clone$CloneException: Error cloning origin <ssh://git@<domain>:<port>/repository.git>.
          at org.uberfire.java.nio.fs.jgit.util.commands.Clone.execute(Clone.java:120)
          at org.uberfire.java.nio.fs.jgit.util.Git.clone(Git.java:92)
          at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.createNewGitRepo(JGitFileSystemProvider.java:682)
          ... 91 more
  Caused by: java.lang.RuntimeException: org.eclipse.jgit.api.errors.TransportException: ssh://git@<domain>:<port>/repository.git: unknown host
          at org.uberfire.java.nio.fs.jgit.util.commands.Fetch.execute(Fetch.java:68)
          at org.uberfire.java.nio.fs.jgit.util.GitImpl.fetch(GitImpl.java:248)
          at org.uberfire.java.nio.fs.jgit.util.commands.Clone.execute(Clone.java:88)
          ... 93 more
  Caused by: org.eclipse.jgit.api.errors.TransportException: ssh://git@<domain>:<port>/repository.git: unknown host
          at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:245)
          at org.uberfire.java.nio.fs.jgit.util.commands.Fetch.execute(Fetch.java:64)
          ... 95 more
  Caused by: org.eclipse.jgit.errors.TransportException: ssh://git@<domain>:<port>/repository.git: unknown host
          at org.eclipse.jgit.transport.JschConfigSessionFactory.getSession(JschConfigSessionFactory.java:157)
          at org.eclipse.jgit.transport.SshTransport.getSession(SshTransport.java:137)
          at org.eclipse.jgit.transport.TransportGitSsh$SshFetchConnection.<init>(TransportGitSsh.java:274)
          at org.eclipse.jgit.transport.TransportGitSsh.openFetch(TransportGitSsh.java:169)
          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:1236)
          at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:234)
          ... 96 more