spring - Creating PrimeFaces metergauge chart without @PostConstruct annotation -


i need retrieve data spring jpa data managed bean class, creates metergaugechartview. when call values injected spring bean within @postconstruct method java.lang.nullponterexception. when remove annotation, error below.

java.lang.nullpointerexception     org.primefaces.component.chart.renderer.metergaugerenderer.encodedata(metergaugerenderer.java:33) 

below code , full stack...

package ch.business.quickline.controller;  import java.io.serializable; import java.util.arraylist; import java.util.list;  import javax.annotation.postconstruct; import javax.faces.bean.managedbean; import javax.faces.bean.managedproperty; import javax.faces.bean.viewscoped;  import org.primefaces.model.chart.metergaugechartmodel; import org.springframework.stereotype.component;  import ch.business.quickline.viewservice.mitarbeiterglobalservice;  @managedbean @component @viewscoped public class metergaugechartview implements serializable {      private metergaugechartmodel masterbewertungenindividual;     private metergaugechartmodel selbstbewertungenindividual;     private metergaugechartmodel masterbewertungenglobal;     private metergaugechartmodel selbstbewertungenglobal;      @managedproperty("#{mitarbeiterglobalservice}")     private mitarbeiterglobalservice mitarbeiterglobalservice;      public void init() {         createmetergaugemodels();     }      public metergaugechartmodel getmasterbewertungenindividual() {         return masterbewertungenindividual;     }      public metergaugechartmodel getselbstbewertungenindividual() {         return selbstbewertungenindividual;     }      public metergaugechartmodel getmasterbewertungenglobal() {         return masterbewertungenglobal;     }      public metergaugechartmodel getselbstbewertungenglobal() {         return selbstbewertungenglobal;     }      private metergaugechartmodel initmetergaugemodel() {         list<number> intervals = new arraylist<number>() {{                 add(1);                 add(2);                 add(3);                 add(4);                 add(5);             }         };          return new metergaugechartmodel(5, intervals);     }      public void createmetergaugemodels() {         masterbewertungenindividual = initmetergaugemodel();         //masterbewertungenindividual.settitle("masterbewertungen");         masterbewertungenindividual.setgaugelabel("skill");         masterbewertungenindividual.setvalue(mitarbeiterglobalservice.getmasterbewertungindividualaverage());          selbstbewertungenindividual = initmetergaugemodel();         //selbstbewertungenindividual.settitle("selbstbewertungen");         selbstbewertungenindividual.setgaugelabel("interesse");         selbstbewertungenindividual.setvalue(mitarbeiterglobalservice.getselbstbewertungindividualaverage());          masterbewertungenglobal = initmetergaugemodel();         //masterbewertungenglobal.settitle("masterbewertungen");         masterbewertungenglobal.setgaugelabel("skill");         masterbewertungenglobal.setvalue(mitarbeiterglobalservice.getmasterbewertungglobalaverage());          selbstbewertungenglobal = initmetergaugemodel();         //selbstbewertungenglobal.settitle("selbstbewertungen");         selbstbewertungenglobal.setgaugelabel("interesse");         selbstbewertungenglobal.setvalue(mitarbeiterglobalservice.getselbstbewertungglobalaverage());     } } 
package ch.business.quickline.viewservice;  import java.math.bigdecimal;  import javax.faces.bean.applicationscoped; import javax.faces.bean.managedbean;  import org.springframework.beans.factory.annotation.autowired; import org.springframework.stereotype.component;  import ch.business.quickline.domain.mitarbeiterskill; import ch.business.quickline.service.mitarbeiterservice; import ch.business.quickline.service.mitarbeiterskillservice;  @managedbean(name = "mitarbeiterglobalservice") @component @applicationscoped public class mitarbeiterglobalservice {      @autowired     private mitarbeiterservice mitarbeiterservice;     @autowired     private mitarbeiterskillservice mitarbeiterskillservice;      private bigdecimal masterbewertungindividualaverage;     private bigdecimal selbstbewertungindividualaverage;     private double masterbewertungglobalaverage;     private double selbstbewertungglobalaverage;      public void init() {         masterbewertungindividualaverage = mitarbeiterservice.findbymitarbeiterid(1).getmitarbeitermasterbewertungdurchschnitt();         selbstbewertungindividualaverage = mitarbeiterservice.findbymitarbeiterid(1).getmitarbeiterselbstbewertungdurchschnitt();         masterbewertungglobalaverage = retrievemasterbewertungglobalaverage();         selbstbewertungglobalaverage = retrieveselbstbewertungglobalaverage();     }      public bigdecimal getmasterbewertungindividualaverage() {         return masterbewertungindividualaverage;     }      public void setmasterbewertungindividualaverage(bigdecimal masterbewertungindividualaverage) {         this.masterbewertungindividualaverage = masterbewertungindividualaverage;     }      public bigdecimal getselbstbewertungindividualaverage() {         return selbstbewertungindividualaverage;     }      public void setselbstbewertungindividualaverage(             bigdecimal selbstbewertungindividualaverage) {         this.selbstbewertungindividualaverage = selbstbewertungindividualaverage;     }      public double getmasterbewertungglobalaverage() {         return masterbewertungglobalaverage;     }      public void setmasterbewertungglobalaverage(double masterbewertungglobalaverage) {         this.masterbewertungglobalaverage = masterbewertungglobalaverage;     }      public double getselbstbewertungglobalaverage() {         return selbstbewertungglobalaverage;     }      public void setselbstbewertungglobalaverage(double selbstbewertungglobalaverage) {         this.selbstbewertungglobalaverage = selbstbewertungglobalaverage;     }      public double retrievemasterbewertungglobalaverage() {         double sum = 0.0;         (mitarbeiterskill skill : mitarbeiterskillservice.findall()) {             sum = sum + skill.getmasterbewertung();         }          return sum / mitarbeiterskillservice.findall().size();     }      public double retrieveselbstbewertungglobalaverage() {         double sum = 0.0;         (mitarbeiterskill interest : mitarbeiterskillservice.findall()) {             sum = sum + interest.getselbstbewertung();         }          return sum / mitarbeiterskillservice.findall().size();     } } 
<html xmlns="http://www.w3.org/1999/xhtml"       xmlns:h="http://java.sun.com/jsf/html"       xmlns:f="http://java.sun.com/jsf/core"       xmlns:ui="http://java.sun.com/jsf/facelets"       xmlns:p="http://primefaces.org/ui">        <ui:composition template="/templates/default/template.xhtml">         <ui:define name="content">             <ui:insert>                 <div class="ui-grid">                     <div class="ui-grid-row">                         <div class="ui-grid-col-6">                             <p:chart type="metergauge" model="#{metergaugechartview.masterbewertungenglobal}" style="width:400px;height:250px" />                         </div>                         <div class="ui-grid-col-6">                             <p:chart type="metergauge" model="#{metergaugechartview.selbstbewertungenglobal}" style="width:400px;height:250px" />                         </div>                     </div>                 </div>                  <div class="ui-grid ui-grid-responsive">                     <div class="ui-grid-row">                         <div class="ui-grid-col-6">                             <p:datalist value="#{rankingdatalist.mitarbeitermasterbewertungrangliste}" var="mitarbeiter" type="ordered">                                 <f:facet name="header">                                     top mitarbeiter nach masterbewertung                                 </f:facet>                                 #{mitarbeiter.mitarbeitervorname}                                 #{mitarbeiter.mitarbeiternachname}:                                 #{mitarbeiter.mitarbeitermasterbewertungdurchschnitt}                             </p:datalist>                         </div>                          <div class="ui-grid-col-6">                             <p:datalist value="#{rankingdatalist.mitarbeiterselbstbewertungrangliste}" var="mitarbeiter" type="ordered">                                 <f:facet name="header">                                     top mitarbeiter nach selbstbewertung                                 </f:facet>                                 #{mitarbeiter.mitarbeitervorname}                                 #{mitarbeiter.mitarbeiternachname}:                                 #{mitarbeiter.mitarbeiterselbstbewertungdurchschnitt}                             </p:datalist>                         </div>                     </div>                 </div>             </ui:insert>         </ui:define>     </ui:composition> </html> 
apr 25, 2015 12:10:21 org.apache.tomcat.util.digester.setpropertiesrule begin warnung: [setpropertiesrule]{server/service/engine/host/context} setting property 'source' 'org.eclipse.jst.jee.server:skillmanager' did not find matching property. apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: server version:        apache tomcat/7.0.59 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: server built:          jan 28 2015 15:51:10 utc apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: server number:         7.0.59.0 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: os name:               linux apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: os version:            3.13.0-24-generic apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: architecture:          amd64 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: java home:             /usr/lib/jvm/java-8-oracle/jre apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: jvm version:           1.8.0_40-b25 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: jvm vendor:            oracle corporation apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: catalina_base:         /home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: catalina_home:         /home/fanatik/apache-tomcat-7.0.59 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: command line argument: -dcatalina.base=/home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: command line argument: -dcatalina.home=/home/fanatik/apache-tomcat-7.0.59 apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: command line argument: -dwtp.deploy=/home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: command line argument: -djava.endorsed.dirs=/home/fanatik/apache-tomcat-7.0.59/endorsed apr 25, 2015 12:10:21 org.apache.catalina.startup.versionloggerlistener log information: command line argument: -dfile.encoding=utf-8 apr 25, 2015 12:10:21 org.apache.catalina.core.aprlifecyclelistener lifecycleevent information: apr based apache tomcat native library allows optimal performance in production environments not found on java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib apr 25, 2015 12:10:21 org.apache.coyote.abstractprotocol init information: initializing protocolhandler ["http-bio-8080"] apr 25, 2015 12:10:21 org.apache.coyote.abstractprotocol init information: initializing protocolhandler ["ajp-bio-8009"] apr 25, 2015 12:10:21 org.apache.catalina.startup.catalina load information: initialization processed in 706 ms apr 25, 2015 12:10:21 org.apache.catalina.core.standardservice startinternal information: starting service catalina apr 25, 2015 12:10:21 org.apache.catalina.core.standardengine startinternal information: starting servlet engine: apache tomcat/7.0.59 apr 25, 2015 12:10:22 org.apache.catalina.loader.webappclassloader validatejarfile information: validatejarfile(/home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/skillmanager/web-inf/lib/el-api-2.2.1-b04.jar) - jar not loaded. see servlet spec 3.0, section 10.7.2. offending class: javax/el/expression.class apr 25, 2015 12:10:25 org.apache.catalina.startup.tagliburirule body information: tld skipped. uri: http://mojarra.dev.java.net/mojarra_ext defined apr 25, 2015 12:10:25 org.apache.catalina.startup.tagliburirule body information: tld skipped. uri: http://java.sun.com/jsf/core defined apr 25, 2015 12:10:25 org.apache.catalina.startup.tagliburirule body information: tld skipped. uri:          http://java.sun.com/jsf/html      defined apr 25, 2015 12:10:25 org.apache.catalina.core.standardcontext addapplicationlistener information: listener "com.sun.faces.config.configurelistener" configured context. duplicate definition has been ignored. apr 25, 2015 12:10:25 org.apache.catalina.core.applicationcontext log information: spring webapplicationinitializers detected on classpath: [ch.business.quickline.config.webappinitializer@12297d72] slf4j: class path contains multiple slf4j bindings. slf4j: found binding in [jar:file:/home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/skillmanager/web-inf/lib/slf4j-log4j12-1.7.12.jar!/org/slf4j/impl/staticloggerbinder.class] slf4j: found binding in [jar:file:/home/fanatik/documents/workspace-sts-3.6.3.sr1/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/skillmanager/web-inf/lib/slf4j-simple-1.7.10.jar!/org/slf4j/impl/staticloggerbinder.class] slf4j: see http://www.slf4j.org/codes.html#multiple_bindings explanation. slf4j: actual binding of type [org.slf4j.impl.log4jloggerfactory] apr 25, 2015 12:10:25 com.sun.faces.config.configurelistener contextinitialized information: mojarra 2.2.0 ( 20130502-2118 https://svn.java.net/svn/mojarra~svn/tags/2.2.0@11930) für kontext '/skillmanager' wird initialisiert. apr 25, 2015 12:10:25 com.sun.faces.spi.injectionproviderfactory createinstance information: jsf1048: postconstruct/predestroy-annotationen vorhanden.  verwaltete bean-methoden, die mit diesen annotationen markiert sind, lassen die entsprechenden annotationen verarbeiten. apr 25, 2015 12:10:26 net.bootsfaces.listeners.addresourceslistener <clinit> information: net.bootsfaces.listeners.addresourceslistener ready use. apr 25, 2015 12:10:27 org.primefaces.webapp.postconstructapplicationeventlistener processevent information: running on primefaces 5.1 apr 25, 2015 12:10:27 org.apache.catalina.core.applicationcontext log information: initializing spring root webapplicationcontext log4j:warn no appenders found logger (org.springframework.web.context.contextloader). log4j:warn please initialize log4j system properly. log4j:warn see http://logging.apache.org/log4j/1.2/faq.html#noconfig more info. apr 25, 2015 12:10:31 org.apache.coyote.abstractprotocol start information: starting protocolhandler ["http-bio-8080"] apr 25, 2015 12:10:31 org.apache.coyote.abstractprotocol start information: starting protocolhandler ["ajp-bio-8009"] apr 25, 2015 12:10:31 org.apache.catalina.startup.catalina start information: server startup in 9849 ms apr 25, 2015 12:10:34 com.sun.faces.application.view.faceletviewhandlingstrategy handlerenderexception schwerwiegend: error rendering view[/index.xhtml] java.lang.nullpointerexception     @ org.primefaces.component.chart.renderer.metergaugerenderer.encodedata(metergaugerenderer.java:33)     @ org.primefaces.component.chart.renderer.baseplotrenderer.render(baseplotrenderer.java:29)     @ org.primefaces.component.chart.chartrenderer.encodescript(chartrenderer.java:95)     @ org.primefaces.component.chart.chartrenderer.encodeend(chartrenderer.java:67)     @ javax.faces.component.uicomponentbase.encodeend(uicomponentbase.java:924)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1863)     @ javax.faces.render.renderer.encodechildren(renderer.java:176)     @ javax.faces.component.uicomponentbase.encodechildren(uicomponentbase.java:894)     @ org.primefaces.renderkit.corerenderer.renderchild(corerenderer.java:79)     @ org.primefaces.renderkit.corerenderer.renderchildren(corerenderer.java:66)     @ org.primefaces.component.layout.layoutunitrenderer.encodeend(layoutunitrenderer.java:49)     @ javax.faces.component.uicomponentbase.encodeend(uicomponentbase.java:924)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1863)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ com.sun.faces.application.view.faceletviewhandlingstrategy.renderview(faceletviewhandlingstrategy.java:443)     @ com.sun.faces.application.view.multiviewhandler.renderview(multiviewhandler.java:131)     @ com.sun.faces.lifecycle.renderresponsephase.execute(renderresponsephase.java:120)     @ com.sun.faces.lifecycle.phase.dophase(phase.java:101)     @ com.sun.faces.lifecycle.lifecycleimpl.render(lifecycleimpl.java:219)     @ javax.faces.webapp.facesservlet.service(facesservlet.java:647)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:303)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:208)     @ org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:241)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:208)     @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:220)     @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:122)     @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:504)     @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:170)     @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:103)     @ org.apache.catalina.valves.accesslogvalve.invoke(accesslogvalve.java:950)     @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:116)     @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:421)     @ org.apache.coyote.http11.abstracthttp11processor.process(abstracthttp11processor.java:1074)     @ org.apache.coyote.abstractprotocol$abstractconnectionhandler.process(abstractprotocol.java:611)     @ org.apache.tomcat.util.net.jioendpoint$socketprocessor.run(jioendpoint.java:314)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1142)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:617)     @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61)     @ java.lang.thread.run(thread.java:745)  apr 25, 2015 12:10:34 org.apache.catalina.core.standardwrappervalve invoke schwerwiegend: servlet.service() servlet [faces servlet] in context path [/skillmanager] threw exception [null] root cause java.lang.nullpointerexception     @ org.primefaces.component.chart.renderer.metergaugerenderer.encodedata(metergaugerenderer.java:33)     @ org.primefaces.component.chart.renderer.baseplotrenderer.render(baseplotrenderer.java:29)     @ org.primefaces.component.chart.chartrenderer.encodescript(chartrenderer.java:95)     @ org.primefaces.component.chart.chartrenderer.encodeend(chartrenderer.java:67)     @ javax.faces.component.uicomponentbase.encodeend(uicomponentbase.java:924)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1863)     @ javax.faces.render.renderer.encodechildren(renderer.java:176)     @ javax.faces.component.uicomponentbase.encodechildren(uicomponentbase.java:894)     @ org.primefaces.renderkit.corerenderer.renderchild(corerenderer.java:79)     @ org.primefaces.renderkit.corerenderer.renderchildren(corerenderer.java:66)     @ org.primefaces.component.layout.layoutunitrenderer.encodeend(layoutunitrenderer.java:49)     @ javax.faces.component.uicomponentbase.encodeend(uicomponentbase.java:924)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1863)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ javax.faces.component.uicomponent.encodeall(uicomponent.java:1859)     @ com.sun.faces.application.view.faceletviewhandlingstrategy.renderview(faceletviewhandlingstrategy.java:443)     @ com.sun.faces.application.view.multiviewhandler.renderview(multiviewhandler.java:131)     @ com.sun.faces.lifecycle.renderresponsephase.execute(renderresponsephase.java:120)     @ com.sun.faces.lifecycle.phase.dophase(phase.java:101)     @ com.sun.faces.lifecycle.lifecycleimpl.render(lifecycleimpl.java:219)     @ javax.faces.webapp.facesservlet.service(facesservlet.java:647)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:303)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:208)     @ org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:241)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:208)     @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:220)     @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:122)     @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:504)     @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:170)     @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:103)     @ org.apache.catalina.valves.accesslogvalve.invoke(accesslogvalve.java:950)     @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:116)     @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:421)     @ org.apache.coyote.http11.abstracthttp11processor.process(abstracthttp11processor.java:1074)     @ org.apache.coyote.abstractprotocol$abstractconnectionhandler.process(abstractprotocol.java:611)     @ org.apache.tomcat.util.net.jioendpoint$socketprocessor.run(jioendpoint.java:314)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1142)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:617)     @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61)     @ java.lang.thread.run(thread.java:745) 


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