java 1.8升级后我遇到了一个奇怪的问题.我在我们的一个实用程序中使用jsch-0.1.54.jar从各个地方下载文件.这个特殊的实用程序使用了近4 - 5年没有任何问题(当时jsch-0.1.48).那时环境是java 1.6.最近我们升级到java 1.8,结果我们升级了这个特定的实用程序.现在我们遇到了一个奇怪的问题,它偶尔会发生,大多数时候文件的下载都是完美的.
错误日志
INFO: SSH_MSG_KEXDH_INIT sent
INFO: expecting SSH_MSG_KEXDH_REPLY
INFO: Disconnecting from SRV2000 port 22
2016-10-28 08:42:18:0576 ERROR [main] net.AerisAbstractMethod - Failed to open connection
com.jcraft.jsch.JSchException: Session.connect: java.security.SignatureException: Signature length not correct: got 127 but was expecting 128
at com.jcraft.jsch.Session.connect(Session.java:565)
at com.jcraft.jsch.Session.connect(Session.java:183)
at com.aeris.net.AerisSFTPMethod.connectToServer(AerisSFTPMethod.java:65)
at com.aeris.net.AerisAbstractMethod.getListOfFiles(AerisAbstractMethod.java:143)
at com.aeris.worker.AerisUploaderDownloader.performUploadDownloadListing(AerisUploaderDownloader.java:112)
at com.aeris.main.AerisCommonSftpUtility.main(AerisCommonSftpUtility.java:102)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.simontuffs.onejar.Boot.run(Boot.java:340)
at com.simontuffs.onejar.Boot.main(Boot.java:166)
成功日志:(在大多数情况下,它是成功的)
INFO: SSH_MSG_KEXDH_INIT sent
INFO: expecting SSH_MSG_KEXDH_REPLY
INFO: ssh_rsa_verify: signature …