47

JSch を使用して SFTP を実行しようとしていますが、エラーが発生しました:

com.jcraft.jsch.JSchException: 暗号「aes256-cbc」が必要ですが、利用できません。

以下は私が使用したコードです。見逃したものはありますか?

JSch jsch = new JSch();
Session session = null;

jsch.addIdentity("C:\\privatekey.ppk", "Password");

session = jsch.getSession("user", "54.251.240.234", 22);
session.setConfig("StrictHostKeyChecking", "no");


Channel channel = session.openChannel("sftp");
channel.connect();
ChannelSftp sftpChannel = (ChannelSftp) channel;
sftpChannel.put("C:\\Users\\test.txt", "/home/user/test.txt");
sftpChannel.exit();
session.disconnect();

スタックトレース

[8/30/13 1:56:26:556 SGT] 00000021 SystemErr     R com.jcraft.jsch.JSchException: The cipher 'aes256-cbc' is required, but it is not available.
[8/30/13 1:56:26:557 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.KeyPair.loadPPK(KeyPair.java:1017)
[8/30/13 1:56:26:557 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.KeyPair.load(KeyPair.java:590)
[8/30/13 1:56:26:557 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.KeyPair.load(KeyPair.java:542)
[8/30/13 1:56:26:557 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.IdentityFile.newInstance(IdentityFile.java:40)
[8/30/13 1:56:26:558 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.JSch.addIdentity(JSch.java:389)
[8/30/13 1:56:26:558 SGT] 00000021 SystemErr     R  at com.jcraft.jsch.JSch.addIdentity(JSch.java:370)
[8/30/13 1:56:26:558 SGT] 00000021 SystemErr     R  at com.belsize.sb.SB_UtilityBean.runExternalProgram_Windows(SB_UtilityBean.java:1134)
[8/30/13 1:56:26:558 SGT] 00000021 SystemErr     R  at com.belsize.sb.EJSLocal0SLSB_Utility_861cc9f0.runExternalProgram_Windows(EJSLocal0SLSB_Utility_861cc9f0.java)
[8/30/13 1:56:26:558 SGT] 00000021 SystemErr     R  at com.belsize.sb.SB_IntegrationBean.getFTP_Status(SB_IntegrationBean.java:2175)
[8/30/13 1:56:26:559 SGT] 00000021 SystemErr     R  at com.belsize.sb.EJSLocal0SLSB_Integration_13682180.getFTP_Status(EJSLocal0SLSB_Integration_13682180.java)
[8/30/13 1:56:26:559 SGT] 00000021 SystemErr     R  at pagecode.module.user_permission.W_useraccount.getFTP_Status(W_useraccount.java:992)
[8/30/13 1:56:26:559 SGT] 00000021 SystemErr     R  at pagecode.module.user_permission.Up1006.doUp1006_commandlink_testftpAction(Up1006.java:711)
[8/30/13 1:56:26:559 SGT] 00000021 SystemErr     R  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[8/30/13 1:56:26:560 SGT] 00000021 SystemErr     R  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
[8/30/13 1:56:26:560 SGT] 00000021 SystemErr     R  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
[8/30/13 1:56:26:560 SGT] 00000021 SystemErr     R  at java.lang.reflect.Method.invoke(Method.java:611)
[8/30/13 1:56:26:560 SGT] 00000021 SystemErr     R  at org.apache.el.parser.AstValue.invoke(AstValue.java:268)
[8/30/13 1:56:26:560 SGT] 00000021 SystemErr     R  at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
[8/30/13 1:56:26:561 SGT] 00000021 SystemErr     R  at org.apache.myfaces.view.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:83)
[8/30/13 1:56:26:561 SGT] 00000021 SystemErr     R  at javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:88)
[8/30/13 1:56:26:561 SGT] 00000021 SystemErr     R  at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:100)
[8/30/13 1:56:26:561 SGT] 00000021 SystemErr     R  at javax.faces.component.UICommand.broadcast(UICommand.java:120)
[8/30/13 1:56:26:561 SGT] 00000021 SystemErr     R  at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:973)
[8/30/13 1:56:26:562 SGT] 00000021 SystemErr     R  at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:275)
[8/30/13 1:56:26:562 SGT] 00000021 SystemErr     R  at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1285)
[8/30/13 1:56:26:562 SGT] 00000021 SystemErr     R  at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:711)
[8/30/13 1:56:26:562 SGT] 00000021 SystemErr     R  at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:34)
[8/30/13 1:56:26:562 SGT] 00000021 SystemErr     R  at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:171)
[8/30/13 1:56:26:563 SGT] 00000021 SystemErr     R  at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
[8/30/13 1:56:26:563 SGT] 00000021 SystemErr     R  at javax.faces.webapp.FacesServlet.service(FacesServlet.java:189)
[8/30/13 1:56:26:563 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1225)
[8/30/13 1:56:26:563 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:775)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:457)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:97)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:77)
[8/30/13 1:56:26:564 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.belsize.servlet.filter.RedirectLogin.doFilter(RedirectLogin.java:177)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:928)
[8/30/13 1:56:26:565 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1025)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:908)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:195)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:453)
[8/30/13 1:56:26:566 SGT] 00000021 SystemErr     R  at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:515)
[8/30/13 1:56:26:567 SGT] 00000021 SystemErr     R  at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:306)
[8/30/13 1:56:26:567 SGT] 00000021 SystemErr     R  at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
[8/30/13 1:56:26:567 SGT] 00000021 SystemErr     R  at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:166)
[8/30/13 1:56:26:567 SGT] 00000021 SystemErr     R  at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
[8/30/13 1:56:26:567 SGT] 00000021 SystemErr     R  at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
[8/30/13 1:56:26:568 SGT] 00000021 SystemErr     R  at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
[8/30/13 1:56:26:568 SGT] 00000021 SystemErr     R  at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
[8/30/13 1:56:26:568 SGT] 00000021 SystemErr     R  at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
[8/30/13 1:56:26:568 SGT] 00000021 SystemErr     R  at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
[8/30/13 1:56:26:568 SGT] 00000021 SystemErr     R  at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1691)
4

3 に答える 3

55

デフォルトでは、JDK または JRE に付属する JCE ポリシーは、(ase-256 など) のような暗号化技術をサポートしていません。

確かに、現在の JCE jar ($JAVA_HOME/jre/lib/security に存在する) を、Oracle Web サイトから取得した互換性のある Java バージョンに置き換える必要があります。

ダウンロードリンク:

JDK 1.6 の場合: https://www.oracle.com/java/technologies/jce-6-download.html

JDK 1.7 の場合: https://www.oracle.com/java/technologies/javase-jce7-downloads.html

JDK 1.8 の場合: https://www.oracle.com/java/technologies/javase-jce8-downloads.html

これで問題は解決します。

于 2013-11-19T12:55:13.753 に答える