java - Configuration of persistence.xml while using websphere 8.5.5.1 -


i'm coding app uses servlet 3.0, jsp, , jpa 2.0 , i'm deploying websphere application server 8.5. since configured ibm websphere console, data source , jdbc driver, , j2c authentification (i'm using oracle 11g database ). dont know how persistence.xml should like, if need specify , add openjpa jars project. put persistence.xml i'm having issue :

error 500: <openjpa-2.2.3-snapshot-r422266:1764177 fatal user error> org.apache.openjpa.persistence.argumentexception

what should ? maybe i'm missing how jpa works

thanks in advance

the openjpa jars should provided websphere , available use application. there jpa sample available here: https://developer.ibm.com/wasdev/downloads/#asset/samples-java_persistence_api_jpa_sample

in sample, can see example of persistence.xml file:

<?xml version="1.0" encoding="utf-8"?> <persistence version="2.0"              xmlns="http://java.sun.com/xml/ns/persistence"              xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"              xsi:schemalocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">    <persistence-unit name="jpasamplepersistenceunit">      <jta-data-source>java:comp/env/jdbc/samplejpadatasource</jta-data-source>     <non-jta-data-source>java:comp/env/jdbc/samplejpadatasourcenonjta</non-jta-data-source>      <class>wasdev.sample.jpa.thing</class>     <exclude-unlisted-classes>true</exclude-unlisted-classes>     <properties>       <!-- these properties creating database on fly. using them avoid users having           create database run sample.            see create=true line in datasource meta data. -->       <property name="openjpa.jdbc.synchronizemappings" value="buildschema(foreignkeys=true)" />       <property name="openjpa.jdbc.dbdictionary" value="derby" />        <!-- eclipselink specific properties create database. used if using jpa-2.1 feature. -->         <property name="eclipselink.ddl-generation" value="drop-and-create-tables" />         <property name="eclipselink.ddl-generation.output-mode" value="both" />      </properties>   </persistence-unit>  </persistence>

i think error not caused openjpa jars not being available. might because database not configured correctly. make sure persistence.xml file refers datasources properly.


Comments

Post a Comment

Popular posts from this blog

Is there a better way to structure post methods in Class Based Views -

i'm using class based views in django , never specify url in ajax calls , omit action parameter in form because know these requests go through post method of class based view. notice view - profile page make many requests depending on user updating on page - post method become convoluted , if/else mess example: def post(self, request, *args, **kwargs): # handle user changing available date if request.post.get('availabledate') != none: self.updateavailabledate(request) return jsonresponse({'result':'success'}) if request.post.get('newprojectname') != none: creative_user = creativeuserprofile.objects.get(id = request.user.id) project = project.create_project(creative_user, request.post['newprojectname']) project.save() return jsonresponse({'projectid': project.id }) if request.post.get('projectimage') != none , request.files['file']: proj...
Read more

performance - Why is XCHG reg, reg a 3 micro-op instruction on modern Intel architectures? -

i'm doing micro-optimization on performance critical part of code , came across sequence of instructions (in at&t syntax): add %rax, %rbx mov %rdx, %rax mov %rbx, %rdx i thought had use case xchg allow me shave instruction , write: add %rbx, %rax xchg %rax, %rdx however, dimay found agner fog's instruction tables , xchg 3 micro-op instruction 2 cycle latency on sandy bridge, ivy bridge, broadwell, haswell , skylake. 3 whole micro-ops , 2 cycles of latency! 3 micro-ops throws off 4-1-1-1 cadence , 2 cycle latency makes worse original in best case since last 2 instructions in original might execute in parallel. now... cpu might breaking instruction micro-ops equivalent to: mov %rax, %tmp mov %rdx, %rax mov %tmp, %rdx where tmp anonymous internal register , suppose last 2 micro-ops run in parallel latency 2 cycles. given register renaming occurs on these micro-architectures, though, doesn't make sense me done way. why wouldn't register renamer ...
Read more

c# - Asp.net web api : redirect unauthorized requst to forbidden page -

im trying redirect unauthorized request forbidden page instead i'm getting forbidden page in response body , how can fix ? here's startup class : app.createperowincontext(storecontext.create); app.createperowincontext<applicationusermanager>(applicationusermanager.create); app.createperowincontext<applicationsigninmanager>(applicationsigninmanager.create); app.usecookieauthentication(new cookieauthenticationoptions { authenticationtype = defaultauthenticationtypes.applicationcookie, expiretimespan = timespan.fromdays(30), }); app.useexternalsignincookie(defaultauthenticationtypes.externalcookie); app.usetwofactorsignincookie(defaultauthenticationtypes.twofactorcookie, timespan.fromminutes(5)); app.usetwofactorrememberbrowsercookie(defaultauthenticationtypes.twofactorrememberbrowsercookie); the method im trying reach : [httpget] [authorize(roles = "admin")] public string getcurrentusername() { return userman...
Read more