Hi We are using SCIM api with play framework and scala for Get, Create, Update user operations and I am using userId as UUID in my services. My service running on docker and I have install gluu-server on aws instance. My service getting two request and We have seperate code for each request: **_(1)get user UUID on behalf of user-EmailID_**. And another is _**(2) User registration.**_ **(1) Here is my scala code to get user UUID:-** import gluu.scim2.client.factory.ScimClientFactory import org.gluu.oxtrust.model.scim2.User import javax.ws.rs.core.MediaType import java.util.{Properties, UUID} import com.typesafe.config.ConfigFactory import gluu.scim2.client.ScimClient import play.api.Logger class TestScimClient { val config = ConfigFactory.load() val op_host=config.getString("op_host") val logger = Logger(this.getClass) val domainURL: String = op_host+"/identity/restv1" val OIDCMetadataUrl: String = op_host+"/.well-known/openid-configuration" logger.debug("***** domainURL *****"+domainURL) logger.debug("***** OIDCMetadataUrl *****"+OIDCMetadataUrl) var client: ScimClient = null def initialiseScimClient(): Unit = { try { client = ScimClientFactory.getTestClient(domainURL, OIDCMetadataUrl); logger.debug("****** client object created ****** "+client) } catch { case e: Exception => logger.debug("***** Got hit for initializing scimClient. *****") } } //-------getUUID------- @throws[Exception] def getUUID(emailID: String): String = { if(client == null) { initialiseScimClient() getUUID(emailID) } var customerUIID: String = searchUUID(emailID) if (customerUIID == "") { var username: String="" username=UUID.randomUUID().toString logger.debug("******** USER_NAME **********"+ username) val email1: String = emailID val email2: String = "ebc" + "@" + username var userDetails = "{ \"schemas\": [\"urn:ietf:params:scim:schemas:core:2.0:User\"], \"externalId\": \"07\", \"userName\": \"" + username + "\", \"name\": { \"givenName\": \"Singh61\", \"familyName\": \"json500\", \"middleName\": \"N/A\", \"honorificPrefix\": \"\", \"honorificSuffix\": \"\"}, \"displayName\": \"" + username + "\", \"nickName\": \" \", \"profileUrl\": \"http://www.gluu.org/\", \"emails\": [ {\"value\": \"" + email1 + "\", \"type\": \"work\", \"primary\": \"true\"}, {\"value\": \"" + email2 + "\", \"type\": \"home\", \"primary\": \"false\"} ], \"addresses\": [{\"type\": \"work\", \"streetAddress\": \"622 East 6th Street Suite 200\", \"locality\": \"Austin2\", \"region\": \"TX\", \"postalCode\": \"78701\", \"country\": \"US\", \"formatted\": \"621 East 6th Street Suite 200 Austin , TX 78701 US\", \"primary\": \"true\"}], \"phoneNumbers\": [{\"value\": \"246-345-2342\", \"type\": \"work\"}], \"ims\": [{\"value\": \"test_user2\", \"type\": \"Skype2\"}], \"userType\": \"MD2\", \"title\": \"MD2\", \"preferredLanguage\": \"en-us\", \"locale\": \"en_US\", \"active\": \"true\", \"password\": \"secret2\", \"roles\": [{\"value\": \"Owner2\"}], \"entitlements\": [{\"value\": \"full access\"}], \"x509Certificates\": [{\"value\": \"cert-15\"}] }" createUUID(userDetails) logger.debug("******* New Customer UUID Created *****") customerUIID = searchUUID(emailID) } logger.debug("UUID:=> " + customerUIID) return customerUIID } //---------Create Customer UUID--------- @throws[Exception] def createUUID(userDetails: Any): Unit = { try { val p = new Properties p.setProperty("json_string", userDetails.toString) client.createPersonString(p.getProperty("json_string"), MediaType.APPLICATION_JSON) } catch { case w: Exception => System.out.println(w.getLocalizedMessage) w.printStackTrace() } } //------searchUUID----> @throws[Exception] def searchUUID(emailID: String): String = { logger.debug("********Search EMAIL_ID **********"+ emailID) var output: String = "" val filter = "emails.value eq \"" + emailID + "\"" val response = client.searchUsers(filter, 1, 1, "", "", null) val results = response.getEntity.getResources if (results.size > 0) { val admin = results.get(0).asInstanceOf[User] output = admin.getId } return output } **Here is the log/output when I request for UUID which I need:** [2018-02-07 05:48:29,351] [debug] from controllers.HomeController in application-akka.actor.default-dispatcher-4 - ************* Got request to read User Email ID ***************** Time = 2018-02-07 05:48:29.351 [2018-02-07 05:48:29,352] [debug] from controllers.HomeController in application-akka.actor.default-dispatcher-4 - **************In Home Controller CustomerEmail*************** : abc@ebc.com [2018-02-07 05:48:29,352] [debug] from entity.TestScimClient in application-akka.actor.default-dispatcher-22 - ***** domainURL *****https://domainName/identity/restv1 [2018-02-07 05:48:29,352] [debug] from entity.TestScimClient in application-akka.actor.default-dispatcher-22 - ***** OIDCMetadataUrl *****https://domainName/.well-known/openid-configuration [2018-02-07 05:48:29,352] [debug] from actor.UuidActor in application-akka.actor.default-dispatcher-22 - ****** GOT HTTP HIT IN UUID_Actor ****** 2018-02-07 05:48:29,352 INFO [org.xdi.oxauth.model.util.JwtUtil] Bouncy Castle Provider was added already 2018-02-07 05:48:29,353 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimContextResolver is already registered. 2nd registration is being ignored. 2018-02-07 05:48:29,353 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimProvider is already registered. 2nd registration is being ignored. [2018-02-07 05:48:29,375] [debug] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-22 - sun.net.www.MessageHeader@e080e015 pairs: {GET /.well-known/openid-configuration HTTP/1.1: null}{User-Agent: Java/1.8.0_111}{Host: domainName}{Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2}{Connection: keep-alive} [2018-02-07 05:48:29,403] [debug] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-22 - sun.net.www.MessageHeader@510b00ff10 pairs: {null: HTTP/1.1 200 OK}{Date: Wed, 07 Feb 2018 05:48:29 GMT}{Server: Jetty(9.3.15.v20161220)}{X-Xss-Protection: 1; mode=block}{X-Content-Type-Options: nosniff}{Strict-Transport-Security: max-age=31536000; includeSubDomains}{Content-Type: application/json}{Keep-Alive: timeout=5, max=100}{Connection: Keep-Alive}{Transfer-Encoding: chunked} tokens: 667ac0f2-8a69-4c70-9ceb-177b67d5b856 [2018-02-07 05:48:29,479] [debug] from entity.TestScimClient in application-akka.actor.default-dispatcher-22 - ****** client object created ****** gluu.scim2.client.TestModeScimClient@383711e3 [2018-02-07 05:48:29,480] [debug] from entity.TestScimClient in application-akka.actor.default-dispatcher-22 - ********Search EMAIL_ID ********** abc@ebc.com [2018-02-07 05:48:29,619] [debug] from entity.TestScimClient in application-akka.actor.default-dispatcher-22 - UUID:=> @!FE21.A802.2F28.155C!0001!FDAB.AC64!0000!C355.5A50.A2BF.A8E0 [2018-02-07 05:48:29,707] [debug] from controllers.HomeController in application-akka.actor.default-dispatcher-4 - ********** response Time**************** 2018-02-07 05:48:29.707 **(2)User registration:** import java.util.{Properties, UUID} import javax.ws.rs.core.MediaType import com.typesafe.config.ConfigFactory import gluu.scim2.client.ScimClient import gluu.scim2.client.factory.ScimClientFactory import org.gluu.oxtrust.model.scim2.User class RegisterUser { val config = ConfigFactory.load() val opHost = config.getString("gluu.op_host") var flag = 0; // this flag is used because we use recusion for initializeScimclient fns val domainURL2: String = opHost + "/identity/restv1" val OIDCMetadataUrl2: String = opHost + "/.well-known/openid-configuration" var client: ScimClient = null def initialiseScimClient(): Unit = { try { client = ScimClientFactory.getTestClient(domainURL2, OIDCMetadataUrl2); println("clientOBJECT==>" + client) } catch { case e: Exception => println("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" + " " + e.getLocalizedMessage) } } var status = "" @throws[Exception] def newUser(userName: String, firstName: String, lastName: String, emailId: String, password: String): String = { if (client == null) { initialiseScimClient() newUser(userName, firstName, lastName, emailId, password) } var verification1: String = verifyUserName(userName) var verification2: String = verifyEmail(emailId) if (verification1 == "" && verification2 == "") { println("<<<<<<<<<<<<<<<Enter in new creation>>>>>>>>>>>>>>>>>>>>>>") val userDetails = "{ \"schemas\": [\"urn:ietf:params:scim:schemas:core:2.0:User\"], \"userName\": \"" + userName + "\", \"name\": { \"givenName\": \"" + firstName + "\", \"familyName\": \"" + lastName + "\", \"middleName\": \"N/A\", \"honorificPrefix\": \"\", \"honorificSuffix\": \"\"}, \"displayName\": \"" + userName + "\", \"emails\": [ {\"value\": \"" + emailId + "\", \"type\": \"Personal\", \"primary\": \"true\"} ], \"role \": \"user\", \"active\": \"true\", \"password\": \"" + password + "\", \"roles\": [{\"value\": \"user\"}] , \"x509Certificates\": [{\"value\": \"cert-15\"}] }" createNewUser(userDetails) status = searchUUID(userName) flag = 1 } else if (flag == 0) { status = verification1 + verification2 } status } // CreateCustomer----> @throws[Exception] def createNewUser(dt: Any): Unit = { try { val p = new Properties p.setProperty("json_string", dt.toString) client.createPersonString(p.getProperty("json_string"), MediaType.APPLICATION_JSON) } catch { case w: Exception => System.out.println(w.getLocalizedMessage) w.printStackTrace() } } @throws[Exception] def searchUUID(userName: String): String = { var output: String = "" val filter = "userName eq \"" + userName + "\"" val response = client.searchUsers(filter, 1, 1, "", "", null) val results = response.getEntity.getResources if (results.size > 0) { val resp = results.get(0).asInstanceOf[User] output = resp.getId } return output } def verifyUserName(userName: String): String = { var output: String = "" val filter = "userName eq \"" + userName + "\"" val response = client.searchUsers(filter, 1, 1, "", "", null) val results = response.getEntity.getResources if (results.size > 0) { val resp = results.get(0).asInstanceOf[User] output = resp.getId if (output != "") { output = "*** userName already exist ***" } } return output } def verifyEmail(emailId: String): String = { var output: String = "" val filter = "emails.value eq \"" + emailId + "\"" val response = client.searchUsers(filter, 1, 1, "", "", null) val results = response.getEntity.getResources if (results.size > 0) { val resp = results.get(0).asInstanceOf[User] output = resp.getId.toString if (output != "") { output = "email already exist ***" } } return output } } **Here is the log of user registration request :** reqest>>>>{"userName":"heldfss2","firstName":"sa","lastName":"da","emailId":"spineor@gmail.com","password":"12"}[2018-02-07 05:14:53,402] [debug] from controllers.HomeController in application-akka.actor.default-dispatcher-4 - **************** registerNewUser ******************************** [2018-02-07 05:14:53,403] [debug] from controllers.HomeController in application-akka.actor.default-dispatcher-4 - register user request newUserRequest(heldfss2,sa,da,spineor@gmail.com,12) 2018-02-07 05:14:53,403 INFO [org.xdi.oxauth.model.util.JwtUtil] Bouncy Castle Provider was added already 2018-02-07 05:14:53,403 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimContextResolver is already registered. 2nd registration is being ignored. 2018-02-07 05:14:53,403 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimProvider is already registered. 2nd registration is being ignored. [2018-02-07 05:14:53,419] [debug] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-4 - sun.net.www.MessageHeader@371623405 pairs: {GET /.well-known/openid-configuration HTTP/1.1: null}{User-Agent: Java/1.8.0_111}{Host: DomainName}{Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2}{Connection: keep-alive} [2018-02-07 05:14:53,430] [debug] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-4 - sun.net.www.MessageHeader@1451a5410 pairs: {null: HTTP/1.1 200 OK}{Date: Wed, 07 Feb 2018 05:14:53 GMT}{Server: Jetty(9.3.15.v20161220)}{X-Xss-Protection: 1; mode=block}{X-Content-Type-Options: nosniff}{Strict-Transport-Security: max-age=31536000; includeSubDomains}{Content-Type: application/json}{Keep-Alive: timeout=5, max=100}{Connection: Keep-Alive}{Transfer-Encoding: chunked} tokens: 8e25d56e-4610-4154-851d-ba01d6923d87 clientOBJECT==>gluu.scim2.client.TestModeScimClient@2113d6aa _**But some time we are getting an issue when request for user-registration or request usser_UUID: **_ reqest>>>>{"userName":"hel","firstName":"sa","lastName":"da","emailId":"far@gmail.com","password":"12"}new user paramshel--12 [2018-02-06 04:30:11,593] [#[36mdebug#[0m] from controllers.HomeController in application-akka.actor.default-dispatcher-3 - register user request newUserRequest(hel,sa,da,far@gmail.com,12) 2018-02-06 04:30:11,594 INFO [org.xdi.oxauth.model.util.JwtUtil] Bouncy Castle Provider was added already 2018-02-06 04:30:11,595 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimContextResolver is already registered. 2nd registration is being ignored. 2018-02-06 04:30:11,595 WARN [org.jboss.resteasy.spi.ResteasyProviderFactory] Provider class gluu.scim2.client.jackson.ScimProvider is already registered. 2nd registration is being ignored. [2018-02-06 04:30:11,663] [#[36mdebug#[0m] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-3 - sun.net.www.MessageHeader@3019fff25 pairs: {GET /.well-known/openid-configuration HTTP/1.1: null}{User-Agent: Java/1.8.0_111}{Host: DomainName}{Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2}{Connection: keep-alive} [2018-02-06 04:30:11,681] [#[36mdebug#[0m] from sun.net.www.protocol.http.HttpURLConnection in application-akka.actor.default-dispatcher-3 - sun.net.www.MessageHeader@6ba3b13310 pairs: {null: HTTP/1.1 200 OK}{Date: Tue, 06 Feb 2018 04:30:11 GMT}{Server: Jetty(9.3.15.v20161220)}{X-Xss-Protection: 1; mode=block}{X-Content-Type-Options: nosniff}{Strict-Transport-Security: max-age=31536000; includeSubDomains}{Content-Type: application/json}{Keep-Alive: timeout=5, max=100}{Connection: Keep-Alive}{Transfer-Encoding: chunked} tokens: null clientOBJECT==>gluu.scim2.client.TestModeScimClient@6a2fa01c [2018-02-06 04:30:12,025] [#[31merror#[0m] from application in application-akka.actor.default-dispatcher-3 - ! @76pflm11p - Internal server error, for (POST) [/registerNewUser] -> play.api.UnexpectedException: Unexpected exception[ReaderException: java.io.IOException: Stream closed] at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:289) at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:220) at play.api.GlobalSettings$class.onError(GlobalSettings.scala:160) at play.api.DefaultGlobal$.onError(GlobalSettings.scala:188) at play.api.http.GlobalSettingsHttpErrorHandler.onServerError(HttpErrorHandler.scala:100) at play.core.server.netty.PlayRequestHandler$$anonfun$2$$anonfun$apply$1.applyOrElse(PlayRequestHandler.scala:100) at play.core.server.netty.PlayRequestHandler$$anonfun$2$$anonfun$apply$1.applyOrElse(PlayRequestHandler.scala:99) at scala.concurrent.Future$$anonfun$recoverWith$1.apply(Future.scala:346) at scala.concurrent.Future$$anonfun$recoverWith$1.apply(Future.scala:345) at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36) at play.api.libs.iteratee.Execution$trampoline$.execute(Execution.scala:70) at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44) at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252) at scala.concurrent.Promise$class.complete(Promise.scala:55) at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:157) at scala.concurrent.Promise$class.failure(Promise.scala:104) at scala.concurrent.impl.Promise$DefaultPromise.failure(Promise.scala:157) at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:257) at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:251) at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36) at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55) at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91) at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91) at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91) at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72) at akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90) at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Caused by: org.jboss.resteasy.spi.ReaderException: java.io.IOException: Stream closed at org.jboss.resteasy.client.core.BaseClientResponse.readFrom(BaseClientResponse.java:477) at org.jboss.resteasy.client.core.BaseClientResponse.getEntity(BaseClientResponse.java:390) at org.jboss.resteasy.client.core.BaseClientResponse.getEntity(BaseClientResponse.java:347) at Model.RegisterUser.verifyUserName(RegisterUser.scala:101) at Model.RegisterUser.newUser(RegisterUser.scala:47) at Model.RegisterUser.newUser(RegisterUser.scala:44) at controllers.HomeController$$anonfun$registerNewUser$1.apply(HomeController.scala:122) at controllers.HomeController$$anonfun$registerNewUser$1.apply(HomeController.scala:110) at play.api.mvc.ActionBuilder$$anonfun$apply$13.apply(Action.scala:371) at play.api.mvc.ActionBuilder$$anonfun$apply$13.apply(Action.scala:370) at play.api.mvc.Action$.invokeBlock(Action.scala:498) at play.api.mvc.Action$.invokeBlock(Action.scala:495) at play.api.mvc.ActionBuilder$$anon$2.apply(Action.scala:458) at play.api.mvc.Action$$anonfun$apply$2$$anonfun$apply$5$$anonfun$apply$6.apply(Action.scala:112) at play.api.mvc.Action$$anonfun$apply$2$$anonfun$apply$5$$anonfun$apply$6.apply(Action.scala:112) at play.utils.Threads$.withContextClassLoader(Threads.scala:21) at play.api.mvc.Action$$anonfun$apply$2$$anonfun$apply$5.apply(Action.scala:111) at play.api.mvc.Action$$anonfun$apply$2$$anonfun$apply$5.apply(Action.scala:110) at scala.Option.map(Option.scala:146) at play.api.mvc.Action$$anonfun$apply$2.apply(Action.scala:110) at play.api.mvc.Action$$anonfun$apply$2.apply(Action.scala:103) at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:253) ... 14 common frames omitted Caused by: java.io.IOException: Stream closed at java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:170) at java.io.BufferedInputStream.read(BufferedInputStream.java:336) at org.jboss.resteasy.client.core.SelfExpandingBufferredInputStream.read(SelfExpandingBufferredInputStream.java:57) at org.codehaus.jackson.impl.ByteSourceBootstrapper.ensureLoaded(ByteSourceBootstrapper.java:507) at org.codehaus.jackson.impl.ByteSourceBootstrapper.detectEncoding(ByteSourceBootstrapper.java:129) at org.codehaus.jackson.impl.ByteSourceBootstrapper.constructParser(ByteSourceBootstrapper.java:224) at org.codehaus.jackson.JsonFactory._createJsonParser(JsonFactory.java:785) at org.codehaus.jackson.JsonFactory.createJsonParser(JsonFactory.java:561) at org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:414) at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.readFrom(AbstractReaderInterceptorContext.java:59) at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:51) at org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.aroundReadFrom(GZIPDecodingInterceptor.java:59) at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53) at org.jboss.resteasy.client.core.BaseClientResponse.readFrom(BaseClientResponse.java:440) ... 35 common frames omitted **After this issue on any request (uuid request or user registration) getting same issue till service not restart.** Please suggest what I do to fix this issue. Thanks!!