Following this instruction:
https://knox.apache.org/books/knox-1-1-0/user-guide.html#8+-+Access+Hadoop+with+Knox
After executing this command:
curl -i -k -u guest:guest-password -X GET \
'https://localhost:8443/gateway/sandbox/webhdfs/v1/?op=LISTSTATUS'
Here is the error message:
HTTP/1.1 500 Server Error
Date: Fri, 28 Sep 2018 05:41:00 GMT
Set-Cookie: JSESSIONID=1a9wu52uf1ys21txpaqvzg66bs;Path=/gateway/sandbox;Secure;HttpOnly
Set-Cookie: rememberMe=deleteMe; Path=/gateway/sandbox; Max-Age=0; Expires=Thu, 27-Sep-2018 05:41:00 GMT
Content-Type: text/html; charset=ISO-8859-1
Cache-Control: must-revalidate,no-cache,no-store
Content-Length: 317
Connection: close
Server: Jetty(9.2.22.v20170606)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>Error 500 Server Error</title>
</head>
<body><h2>HTTP ERROR 500</h2>
<p>Problem accessing /gateway/sandbox/webhdfs/v1/. Reason:
<pre> Server Error</pre></p><hr><i><small>Powered by Jetty://</small></i><hr/>
</body>
</html>
Here is the message from the log:
Caused by: org.apache.shiro.subject.ExecutionException: java.security.PrivilegedActionException: java.io.IOException: Service connectivity error.
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:385)
at org.apache.knox.gateway.filter.ShiroSubjectIdentityAdapter.doFilter(ShiroSubjectIdentityAdapter.java:72)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:372)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:272)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
... 52 more
Caused by: java.security.PrivilegedActionException: java.io.IOException: Service connectivity error.
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.knox.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain.call(ShiroSubjectIdentityAdapter.java:143)
at org.apache.knox.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain.call(ShiroSubjectIdentityAdapter.java:75)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
... 58 more
Caused by: java.io.IOException: Service connectivity error.
at org.apache.knox.gateway.dispatch.DefaultDispatch.executeOutboundRequest(DefaultDispatch.java:148)
at org.apache.knox.gateway.dispatch.DefaultDispatch.executeRequest(DefaultDispatch.java:116)
at org.apache.knox.gateway.dispatch.DefaultDispatch.doGet(DefaultDispatch.java:278)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter$GetAdapter.doMethod(GatewayDispatchFilter.java:170)
at org.apache.knox.gateway.dispatch.GatewayDispatchFilter.doFilter(GatewayDispatchFilter.java:122)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:61)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:372)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:272)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.doFilterInternal(AbstractIdentityAssertionFilter.java:196)
at org.apache.knox.gateway.identityasserter.common.filter.AbstractIdentityAssertionFilter.continueChainAsPrincipal(AbstractIdentityAssertionFilter.java:153)
at org.apache.knox.gateway.identityasserter.common.filter.CommonIdentityAssertionFilter.doFilter(CommonIdentityAssertionFilter.java:90)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:372)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:272)
at org.apache.knox.gateway.filter.rewrite.api.UrlRewriteServletFilter.doFilter(UrlRewriteServletFilter.java:60)
at org.apache.knox.gateway.filter.AbstractGatewayFilter.doFilter(AbstractGatewayFilter.java:61)
at org.apache.knox.gateway.GatewayFilter$Holder.doFilter(GatewayFilter.java:372)
at org.apache.knox.gateway.GatewayFilter$Chain.doFilter(GatewayFilter.java:272)
at org.apache.knox.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain$1.run(ShiroSubjectIdentityAdapter.java:91)
at org.apache.knox.gateway.filter.ShiroSubjectIdentityAdapter$CallableChain$1.run(ShiroSubjectIdentityAdapter.java:88)
... 65 more
Please help!!
Thanks!
