[
https://issues.apache.org/jira/browse/JCLOUDS-1055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zack Shoylev closed JCLOUDS-1055.
---------------------------------
Resolution: Not A Problem
Service side API seems to not behave as expected in the logs provided.
> BlobStore.blobExists throws exception when blob does not exist
> --------------------------------------------------------------
>
> Key: JCLOUDS-1055
> URL: https://issues.apache.org/jira/browse/JCLOUDS-1055
> Project: jclouds
> Issue Type: Bug
> Components: jclouds-blobstore
> Affects Versions: 1.7.1, 1.9.1
> Environment: Operating System Version: Ubuntu 14.04
> Cloud and API Version: Ceph 0.94, Rados 0.94
> java version "1.7.0_91"
> Reporter: Giorgi Kikolashvili
> Assignee: Zack Shoylev
> Priority: Minor
> Labels: openstack-swift
>
> I get exeption when I try to call {{blobExits(container, name)}} with valid
> container and invalid name. Jclouds
> [javadoc|https://jclouds.apache.org/reference/javadoc/1.9.x/org/jclouds/blobstore/BlobStore.html#blobExists(java.lang.String,
> java.lang.String)] does not document this behavior.
> stacktrace:
> {code}
> org.jclouds.http.HttpResponseException: request: HEAD
> http://swift.ceph.myhost/swift/v1/gkikolashvili-2016-01-12/1cfeb96cccc6569703dcdba64354ee5a-fb66d02f-f2a4-4a4b-90a9-1106b66a014aa
> HTTP/1.1 failed with response: HTTP/1.1 404 Not Found
> at
> org.jclouds.openstack.swift.handlers.ParseSwiftErrorFromHttpResponse.handleError(ParseSwiftErrorFromHttpResponse.java:55)
> at
> org.jclouds.http.handlers.DelegatingErrorHandler.handleError(DelegatingErrorHandler.java:67)
> at
> org.jclouds.http.internal.BaseHttpCommandExecutorService.shouldContinue(BaseHttpCommandExecutorService.java:180)
> at
> org.jclouds.http.internal.BaseHttpCommandExecutorService.invoke(BaseHttpCommandExecutorService.java:150)
> at
> org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.invoke(InvokeSyncToAsyncHttpMethod.java:129)
> at
> org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:95)
> at
> org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:56)
> at
> org.jclouds.rest.internal.DelegatesToInvocationFunction.handle(DelegatesToInvocationFunction.java:156)
> at
> org.jclouds.rest.internal.DelegatesToInvocationFunction.invoke(DelegatesToInvocationFunction.java:123)
> at com.sun.proxy.$Proxy132.objectExists(Unknown Source)
> at
> org.jclouds.openstack.swift.blobstore.SwiftBlobStore.blobExists(SwiftBlobStore.java:163)
> at nbs.core.SwiftClient.blobExits(SwiftClient.java:97)
> at nbs.core.SwiftClient.get(SwiftClient.java:58)
> at nbs.service.v3.BlobService.download(BlobService.java:50)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
> at
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
> at
> org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
> at
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
> at
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
> at
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
> at
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:471)
> at
> org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:425)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:383)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:336)
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:223)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
> at
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
> at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> Wireshark:
> {code}
> HEAD
> /swift/v1/2016-01-12/1cfeb96cccc6569703dcdba64354ee5a-fb66d02f-f2a4-4a4b-90a9-1106b66a014aa
> HTTP/1.1
> Accept: */*
> X-Auth-Token:
> AUTH_rgwtk13000000676b696b6f6c61736876696c693a737769667487e0fb02ef37dc8cab09965672c6bb337e5dac95895f55a146d11c6c17faeaa0b302c3e9
> User-Agent: jclouds/1.9.1 java/1.7.0_91
> Cache-Control: no-cache
> Pragma: no-cache
> Host: swift.ceph.myhost
> Connection: keep-alive
> HTTP/1.1 404 Not Found
> X-Trans-Id: tx000000000000000e5d2d5-005694b940-2a7d634-main
> Content-Length: 9
> Accept-Ranges: bytes
> Content-type: text/plain; charset=utf-8
> Date: Tue, 12 Jan 2016 08:28:48 GMT
> Connection: Keep-Alive
> {code}
> maven dependency:
> {code}
> <dependency>
> <groupId>org.apache.jclouds</groupId>
> <artifactId>jclouds-allblobstore</artifactId>
> <version>1.9.1</version>
> </dependency>
> {code}
> workaround:
> {code:java}
> // workaround to blobExits method throwing exception when blob does not exit
> private boolean blobExits(BlobStore blobStore, String container, String
> name) {
> try {
> blobStore.blobExists(container, name);
> } catch (Exception e) {
> e.printStackTrace();
> return false;
> }
> return true;
> }
> {code}
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