openstacks의 객체 저장소에 업로드 된 파일이 있습니다. 이 스 니펫은 컨테이너 및 객체 목록을 가져 와서 인쇄합니다.Swift api에서 Json 응답을 구문 분석 할 때 예외가 발생했습니다
private void listContainers() {
ContainerApi containerApi = swiftApi.getContainerApiForRegion("region");
Set<Container> containers = containerApi.list().toSet();
for (Container container : containers) {
ObjectApi objectApi = swiftApi.getObjectApiForRegionAndContainer("region", container.getName());
ObjectList objects = objectApi.list(); // crashes here
for (SwiftObject object: objects) {
System.out.println("\t\t"+ object);
}
System.out.println("\t" + container);
}
}
콘솔 출력은 : 나는 파일 이름을 지정하고 '메타 데이터를 가져 오는 경우
DEBUG o.j.rest.internal.InvokeHttpMethod - >> invoking container:list
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Sending request -363056976: GET http://127.0.0.1/swift/v1/?format=json HTTP/1.1
DEBUG jclouds.headers - >> GET http://127.0.0.1/swift/v1/?format=json HTTP/1.1
DEBUG jclouds.headers - >> Accept: application/json
DEBUG jclouds.headers - >> X-Auth-Token: MIIQ...
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Receiving response -363056976: HTTP/1.1 200 OK
DEBUG jclouds.headers - << HTTP/1.1 200 OK
DEBUG jclouds.headers - << Transfer-Encoding: chunked
DEBUG jclouds.headers - << Date: Tue, 25 Nov 2014 07:39:44 GMT
DEBUG jclouds.headers - << Keep-Alive: timeout=5, max=98
DEBUG jclouds.headers - << Connection: Keep-Alive
DEBUG jclouds.headers - << Server: Apache/2.2.22 (Ubuntu)
DEBUG jclouds.headers - << Content-Type: application/json; charset=utf-8
DEBUG jclouds.wire - << "[{"name":"jclouds-example","count":1,"bytes":12},{"name":"test_name","count":3,"bytes":22008217}]"
DEBUG o.j.rest.internal.InvokeHttpMethod - >> invoking object:list
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Sending request -1472717862: GET http://127.0.0.1/swift/v1/jclouds-example/?format=json HTTP/1.1
DEBUG jclouds.headers - >> GET http://127.0.0.1/swift/v1/jclouds-example/?format=json HTTP/1.1
DEBUG jclouds.headers - >> Accept: application/json
DEBUG jclouds.headers - >> X-Auth-Token: MIIQ...
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Receiving response -1472717862: HTTP/1.1 200 OK
DEBUG jclouds.headers - << HTTP/1.1 200 OK
DEBUG jclouds.headers - << Transfer-Encoding: chunked
DEBUG jclouds.headers - << Date: Tue, 25 Nov 2014 07:39:44 GMT
DEBUG jclouds.headers - << Keep-Alive: timeout=5, max=97
DEBUG jclouds.headers - << Connection: Keep-Alive
DEBUG jclouds.headers - << Server: Apache/2.2.22 (Ubuntu)
DEBUG jclouds.headers - << Content-Type: application/json; charset=utf-8
DEBUG jclouds.wire - << "[{"name":"jclouds-example.txt","hash":"ed076287532e86365e841e92bfc50d8c","bytes":12,"content_type":"application\/unknown","last_modified":"2014-11-25T07:39:44.000Z"}]"
java.lang.NumberFormatException: null
at java.lang.Long.parseLong(Long.java:404)
at java.lang.Long.parseLong(Long.java:483)
at org.jclouds.openstack.swift.v1.functions.ParseContainerFromHeaders.apply(ParseContainerFromHeaders.java:39)
at org.jclouds.openstack.swift.v1.functions.ParseObjectListFromResponse.apply(ParseObjectListFromResponse.java:66)
at org.jclouds.openstack.swift.v1.functions.ParseObjectListFromResponse.apply(ParseObjectListFromResponse.java:41)
at org.jclouds.rest.internal.InvokeHttpMethod.invoke(InvokeHttpMethod.java:90)
at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:73)
at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:44)
at org.jclouds.reflect.FunctionalReflection$FunctionalInvocationHandler.handleInvocation(FunctionalReflection.java:117)
at com.google.common.reflect.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:87)
at com.sun.proxy.$Proxy66.list(Unknown Source)
at test.jcloud.JCloudsSwift.listContainers(JCloudsSwift.java:99)
at test.jcloud.JCloudsSwift.main(JCloudsSwift.java:39)
, 모든 작동합니다 :
...
for (Container container : containers) {
ObjectApi objectApi = swiftApi.getObjectApiForRegionAndContainer("region", container.getName());
SwiftObject obj = objectApi.get("jclouds-example.txt");
System.out.println("-- "+obj.getMetadata());
ObjectList objects = objectApi.list();
...
콘솔 출력 :
DEBUG o.j.rest.internal.InvokeHttpMethod - >> invoking object:get
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Sending request -614124758: GET http://127.0.0.1/swift/v1/jclouds-example/jclouds-example.txt HTTP/1.1
DEBUG jclouds.headers - >> GET http://127.0.0.1/swift/v1/jclouds-example/jclouds-example.txt HTTP/1.1
DEBUG jclouds.headers - >> Accept: application/json
DEBUG jclouds.headers - >> X-Auth-Token: MIIQ...
DEBUG o.j.h.i.JavaUrlHttpCommandExecutorService - Receiving response -614124758: HTTP/1.1 200 OK
DEBUG jclouds.headers - << HTTP/1.1 200 OK
DEBUG jclouds.headers - << etag: ed076287532e86365e841e92bfc50d8c
DEBUG jclouds.headers - << Date: Tue, 25 Nov 2014 07:48:49 GMT
DEBUG jclouds.headers - << Last-Modified: Tue, 25 Nov 2014 07:48:49 GMT
DEBUG jclouds.headers - << Keep-Alive: timeout=5, max=97
DEBUG jclouds.headers - << X-Object-Meta-key4: blu
DEBUG jclouds.headers - << X-Object-Meta-key3: value3
DEBUG jclouds.headers - << Connection: Keep-Alive
DEBUG jclouds.headers - << Accept-Ranges: bytes
DEBUG jclouds.headers - << Server: Apache/2.2.22 (Ubuntu)
DEBUG jclouds.headers - << Content-Type: application/unknown
DEBUG jclouds.headers - << Content-Length: 12
DEBUG jclouds.wire - << "Hello World!"
-- {key4=blu, key3=value3}
코드는를 기반으로합니다. jclouds 자바 객체에 객체 목록이 포함 된 JSON 데이터를 변환 할 때예와 this 예를
문제
개체 정보를 얻기 나는 NumberFormatException
를 얻을.
질문
어떻게 각 컨테이너에 대한 파일 목록을 자신의 메타 데이터를 얻을 수 있나요?
jclouds 1.8.1 및 openstack 2014.1을 사용하고 있습니다. – gkiko
스위프트는 실제로 X-Container-Object-Count 및 X-Container-Bytes-Used 헤더를 다시 가져와야하며, 2014.1 이전부터 사용 해왔습니다. server.py] (https://github.com/openstack/swift/blob/fbc58b082cf93eb142c038f24e75ec01e6005894/swift/container/server.py#L62-70)). Apache 서버가 헤더를 조작하거나 필터링하고 있습니까? –
또한 어떻게 끝낼 수 있습니까? format = json'GET http : //127.0.0.1/swift/v1/jclouds-example/? format = json'? 1.8.1에서 ObjectApi.list()를 호출 할 때 그렇게 할 방법이 없습니다 ([ObjectApi.java] (https://github.com/jclouds/jclouds/blob/master/apis/openstack-swift/src/main 참조). /java/org/jclouds/openstack/swift/v1/features/ObjectApi.java#L79-84)). –