Yes looks like that, {"@xsi.nil":"true"} means that it is retuning a null.
On Mon, Mar 9, 2015 at 3:03 PM, Dinithi De Silva <dinit...@wso2.com> wrote: > Hi Imesh, > > It didn't solve the problem. Now the exception comes is as follows. > > com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: > Expected a string but was BEGIN_OBJECT at line 1 column 125 > > The result string is as follows. > > [{"category":"data","description":"tomcat1 > Cartridge","displayName":"tomcat1","host":"tomcat1.stratos.org > ","metadataKeys":[{"@xsi.nil":"true"}],"multiTenant":false,"provider":"apache","public":false,"type":"tomcat1","version":7}] > > I think it is expecting an array of Strings not objects. > > Thanks. > > On Mon, Mar 9, 2015 at 2:48 PM, Imesh Gunaratne <im...@apache.org> wrote: > >> Adding a new property to the following arrayKeys definition would solve >> this problem: >> >> <bean id="jsonProvider" >> class="org.apache.cxf.jaxrs.provider.json.JSONProvider"> >> ... >> <property name="arrayKeys"> >> <list> >> <value>partitions</value> >> <value>property</value> >> <value>hostNames</value> >> <value>memberMap</value> >> <value>portMap</value> >> <value>partitionGroup</value> >> <value>partition</value> >> <value>member</value> >> <value>hostNames</value> >> <value>portMappings</value> >> <value>volumes</value> >> <value>domains</value> >> <value>kubernetesHost</value> >> <value>cartridges</value> >> <value>subGroups</value> >> <value>groups</value> >> <value>clusters</value> >> <value>startupOrders</value> >> <value>childPolicies</value> >> <value>childLevelNetworkPartition</value> >> <value>childLevelPartitions</value> >> <value>networkPartition</value> >> <value>partitions</value> >> <value>dependencyAliases</value> >> <value>groupInstances</value> >> <value>clusterInstances</value> >> <value>applicationInstances</value> >> <value>accessUrls</value> >> <value>kubernetesServices</value> >> <value>publicIPs</value> >> <value>ports</value> >> >> </list> >> </property> >> </bean> >> >> >> On Mon, Mar 9, 2015 at 12:28 PM, Vishanth Balasubramaniam < >> vishan...@wso2.com> wrote: >> >>> Hi Dinithi, >>> >>> The output of the metadataKeys is a string array or an object array? >>> >>> Please refer [1] and check if that is the issue >>> [1] - >>> http://stackoverflow.com/questions/21374603/com-google-gson-jsonsyntaxexception-java-lang-illegalstateexception-in-android >>> >>> Thank you, >>> Vishanth. >>> >>> On Mon, Mar 9, 2015 at 12:09 PM, Imesh Gunaratne <im...@apache.org> >>> wrote: >>> >>>> May be "metadataKeys" property is not marked as an array in CXF >>>> configuration in REST API web application. When there is only one element >>>> available, CXF does not return an array unless this configuration is there. >>>> >>>> On Mon, Mar 9, 2015 at 12:04 PM, Dinithi De Silva <dinit...@wso2.com> >>>> wrote: >>>> >>>>> Hi all, >>>>> >>>>> While listing the available cartridges using CLI command >>>>> "list-cartridges" I got the following exception. >>>>> >>>>> com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: >>>>> Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 112 >>>>> >>>>> The response string was as follows. >>>>> >>>>> [{"category":"data","description":"php >>>>> Cartridge","displayName":"php","host":"php.stratos.org >>>>> ","metadataKeys":{"@xsi.nil":"true"},"multiTenant":false,"provider":"apache","public":false,"type":"php","version":7}] >>>>> >>>>> The expected output for metadataKeys is an array. >>>>> >>>>> What could be the reason for this? >>>>> >>>>> >>>>> -- >>>>> *Dinithi De Silva* >>>>> Associate Software Engineer, WSO2 Inc. >>>>> m:+94716667655 | e:dinit...@wso2.com | w: www.wso2.com >>>>> | a: #20, Palm Grove, Colombo 03 >>>>> >>>> >>>> >>>> >>>> -- >>>> Imesh Gunaratne >>>> >>>> Technical Lead, WSO2 >>>> Committer & PMC Member, Apache Stratos >>>> >>> >>> >>> >>> -- >>> *Vishanth Balasubramaniam* >>> Software Engineer >>> WSO2 Inc.; http://wso2.com >>> lean.enterprise.middleware >>> >>> mobile: *+94771737718* >>> about me: *http://about.me/vishanth <http://about.me/vishanth>* >>> >>> >> >> >> -- >> Imesh Gunaratne >> >> Technical Lead, WSO2 >> Committer & PMC Member, Apache Stratos >> > > > > -- > *Dinithi De Silva* > Associate Software Engineer, WSO2 Inc. > m:+94716667655 | e:dinit...@wso2.com | w: www.wso2.com > | a: #20, Palm Grove, Colombo 03 > -- Imesh Gunaratne Technical Lead, WSO2 Committer & PMC Member, Apache Stratos