java - Jersey Client gives IllegalArgumentException on get request? -


i getting below exception trying make request using jersey client. if post requestpath browser, expected json response.

result when visit requestpath browser:

{ "application":[ ], "error":0 }

client client = client.create();  client.addfilter(new clientfilter() {         @override         public clientresponse handle(clientrequest request) throws clienthandlerexception {             request.getheaders().putsingle(httpheaders.content_type, "application/json");             return getnext().handle(request);         }     });  webresource webresource = client.resource(requestpath) clientresponse response = webresource         .accept("application/json")         .get(clientresponse.class); string responsestr = response.getentity(string.class);    <dependency>     <groupid>com.sun.jersey</groupid>     <artifactid>jersey-client</artifactid>     <version>1.18.1</version> </dependency>  <dependency>     <groupid>com.sun.jersey</groupid>     <artifactid>jersey-json</artifactid>     <version>1.18.1</version> </dependency>    java.lang.illegalargumentexception: error parsing media type 'application/json; charset=utf-8"'      @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.fromstring(mediatypeprovider.java:79)     @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.fromstring(mediatypeprovider.java:53)     @ javax.ws.rs.core.mediatype.valueof(mediatype.java:119)     @ com.sun.jersey.api.client.clientresponse.gettype(clientresponse.java:695)     @ com.sun.jersey.api.client.clientresponse.getentity(clientresponse.java:612)     @ com.sun.jersey.api.client.clientresponse.getentity(clientresponse.java:586)     @ mytest.test(mytest.java:31)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:498)     @ org.junit.runners.model.frameworkmethod$1.runreflectivecall(frameworkmethod.java:50)     @ org.junit.internal.runners.model.reflectivecallable.run(reflectivecallable.java:12)     @ org.junit.runners.model.frameworkmethod.invokeexplosively(frameworkmethod.java:47)     @ org.junit.internal.runners.statements.invokemethod.evaluate(invokemethod.java:17)     @ org.junit.runners.parentrunner.runleaf(parentrunner.java:325)     @ org.junit.runners.blockjunit4classrunner.runchild(blockjunit4classrunner.java:78)     @ org.junit.runners.blockjunit4classrunner.runchild(blockjunit4classrunner.java:57)     @ org.junit.runners.parentrunner$3.run(parentrunner.java:290)     @ org.junit.runners.parentrunner$1.schedule(parentrunner.java:71)     @ org.junit.runners.parentrunner.runchildren(parentrunner.java:288)     @ org.junit.runners.parentrunner.access$000(parentrunner.java:58)     @ org.junit.runners.parentrunner$2.evaluate(parentrunner.java:268)     @ org.junit.runners.parentrunner.run(parentrunner.java:363)     @ org.junit.runner.junitcore.run(junitcore.java:137)     @ com.intellij.junit4.junit4ideatestrunner.startrunnerwithargs(junit4ideatestrunner.java:117)     @ com.intellij.junit4.junit4ideatestrunner.startrunnerwithargs(junit4ideatestrunner.java:42)     @ com.intellij.rt.execution.junit.junitstarter.preparestreamsandstart(junitstarter.java:262)     @ com.intellij.rt.execution.junit.junitstarter.main(junitstarter.java:84) caused by: java.text.parseexception: unbalanced quoted string     @ com.sun.jersey.core.header.reader.httpheaderreaderimpl.processquotedstring(httpheaderreaderimpl.java:313)     @ com.sun.jersey.core.header.reader.httpheaderreaderimpl.process(httpheaderreaderimpl.java:243)     @ com.sun.jersey.core.header.reader.httpheaderreaderimpl.next(httpheaderreaderimpl.java:184)     @ com.sun.jersey.core.header.reader.httpheaderreader.nextseparator(httpheaderreader.java:112)     @ com.sun.jersey.core.header.reader.httpheaderreader.readparameters(httpheaderreader.java:239)     @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.valueof(mediatypeprovider.java:97)     @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.fromstring(mediatypeprovider.java:77)     ... 28 more

the content-type header, server returns, broken:

java.lang.illegalargumentexception: error parsing media type 'application/json; charset=utf-8"'  ... caused by: java.text.parseexception: unbalanced quoted string

(note dangling ")

you can workaround described here: how override response header in jersey client

update

i've setup small test follows:

launched small "fake" http server on command line, returns broken "content-type" header

while true   cat<<eof | nc -l 8080 http/1.1 200 ok content-type: application/json; charset=utf-8"  hello eof  done

tried access jersey client, follows:

client client = client.create(); webresource resource = client.resource("http://localhost:8080"); string response = resource.accept("application/json").get(string.class); system.out.println(response);

that resulted in exception, looking pretty 1 have:

exception in thread "main" java.lang.illegalargumentexception: error parsing media type 'application/json; charset=utf-8"\r\n'     @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.fromstring(mediatypeprovider.java:79)     @ com.sun.jersey.core.impl.provider.header.mediatypeprovider.fromstring(mediatypeprovider.java:53)     @ javax.ws.rs.core.mediatype.valueof(mediatype.java:119)     ... caused by: java.text.parseexception: unbalanced quoted string     @ com.sun.jersey.core.header.reader.httpheaderreaderimpl.processquotedstring(httpheaderreaderimpl.java:263)     @ com.sun.jersey.core.header.reader.httpheaderreaderimpl.process(httpheaderreaderimpl.java:192)     ...

now, i've added filter override response "content-type":

client.addfilter(new clientfilter() {     @override      public clientresponse handle(clientrequest request) throws clienthandlerexception {         clientresponse response = getnext().handle(request);         response.getheaders().put(httpheaders.content_type, arrays.aslist(mediatype.application_json));         return response;     } });

and re-run test , voila:

hello

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