https://bugzilla.redhat.com/show_bug.cgi?id=1941336
--- Comment #2 from Daniel danielsun3164@gmail.com --- I found another error in .metadata/.log
org.eclipse.jgit.api.errors.TransportException: git@github.com:username/project.git: remote hung up unexpectedly at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:225) at org.eclipse.jgit.api.PullCommand.call(PullCommand.java:263) at org.eclipse.egit.core.op.PullOperation$PullJob.run(PullOperation.java:255) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: org.eclipse.jgit.errors.TransportException: git@github.com:username/project.git: remote hung up unexpectedly at org.eclipse.jgit.transport.TransportGitSsh$SshFetchConnection.<init>(TransportGitSsh.java:314) at org.eclipse.jgit.transport.TransportGitSsh.openFetch(TransportGitSsh.java:153) at org.eclipse.jgit.transport.FetchProcess.executeImp(FetchProcess.java:142) at org.eclipse.jgit.transport.FetchProcess.execute(FetchProcess.java:94) at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1309) at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:213) ... 3 more Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory at org.apache.sshd.common.util.security.SecurityUtils.register(SecurityUtils.java:424) at org.apache.sshd.common.util.security.SecurityUtils.createSecurityEntityFactory(SecurityUtils.java:716) at org.apache.sshd.common.util.security.SecurityUtils.lambda$resolveSecurityEntityFactory$1(SecurityUtils.java:708) at java.base/java.util.Map.computeIfAbsent(Map.java:1003) at org.apache.sshd.common.util.security.SecurityUtils.resolveSecurityEntityFactory(SecurityUtils.java:707) at org.apache.sshd.common.util.security.SecurityUtils.getMessageDigest(SecurityUtils.java:752) at org.apache.sshd.common.digest.DigestUtils.checkSupported(DigestUtils.java:53) at org.apache.sshd.common.digest.BuiltinDigests.<init>(BuiltinDigests.java:59) at org.apache.sshd.common.digest.BuiltinDigests.<clinit>(BuiltinDigests.java:36) at org.apache.sshd.common.cipher.ECCurves.<clinit>(ECCurves.java:61) at org.apache.sshd.common.keyprovider.KeyPairProvider.<clinit>(KeyPairProvider.java:63) at org.eclipse.jgit.transport.sshd.SshdSessionFactory.lambda$getDefaultKeys$5(SshdSessionFactory.java:489) at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705) at org.eclipse.jgit.transport.sshd.SshdSessionFactory.getDefaultKeys(SshdSessionFactory.java:487) at org.eclipse.jgit.transport.sshd.SshdSessionFactory.lambda$getSession$1(SshdSessionFactory.java:202) at org.eclipse.jgit.transport.sshd.SshdSession.<init>(SshdSession.java:91) at org.eclipse.jgit.transport.sshd.SshdSessionFactory.getSession(SshdSessionFactory.java:186) at org.eclipse.jgit.transport.sshd.SshdSessionFactory.getSession(SshdSessionFactory.java:73) at org.eclipse.jgit.transport.SshTransport.getSession(SshTransport.java:107) at org.eclipse.jgit.transport.TransportGitSsh$SshFetchConnection.<init>(TransportGitSsh.java:281) ... 8 more Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory cannot be found by org.apache.sshd.osgi_2.6.0 at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:519) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) ... 28 more