我有以下file.txt参考this post。
它可能包含多达400,000个条目，我需要将它们插入到数据库中，但是对于大约80000到最大100,000的文件，该过程是成功的，但如果超出则失败。
问题可能在于写入数据库的最终循环，
FILETYPE: STUDENT
FORMATVERSION: 1.2
ACTION: REPLACEALL
COLUMNS: NAME,SURNAME,AGE,SEX
"raj","jonson",17,"M"
"Rita","Sweety",17,"F"
这是我的示例代码
//入口点
public RestResponse provisionStudent(MultipartFormDataInput input) {
long processed = 0L;
HashMap<String, String> columnMaping = new HashMap<String, String>();
//mapping here as the column name is not same as in the database
columnMaping.put("NAME","name");
columnMaping.put("surname","s_name");
columnMaping.put("AGE","age");
columnMaping.put("SEX","mf");
try {
String lineRead;
List<Map<String, String>> listheader = new ArrayList<>();
Map<String, String> obj = new LinkedHashMap<>();
ArrayList<String> body = new ArrayList<String>();
InputStream result;
//checking if file contain data
if (input == null || input.getParts() == null || input.getParts().isEmpty()) {
throw new IllegalArgumentException("Multipart request is empty");
}
if (input.getParts().size() == 1) {
InputPart filePart = input.getParts().iterator().next();
result = filePart.getBody(InputStream.class, null);
} else {
result = input.getFormDataPart("file", InputStream.class, null);
}
BufferedReader httpResponseReader = new BufferedReader(new InputStreamReader(result));
// reading the header part into obj and the body part in array list body
while ((lineRead = httpResponseReader.readLine()) != null) {
if (lineRead.contains(":")) {
String[] headervalues = lineRead.replace(" ", "").split(":");
obj.put(headervalues[0], headervalues[1]);
} else {
if (lineRead.length() > 0) body.add(lineRead.replace(" ", ""));
}
}
//converting the csv into json array
//like this [{"name":"raj","s_name":"jonson","age":17,"mf":"M"},...]
List<Map<String, String>> finallist = new ArrayList<>();
String[] finalColumns = obj.get("COLUMNS").split(",");
String[] MappedfinalColumns = obj.get("COLUMNS").split(",");
for (int finC = 0; finC < finalColumns.length; finC++) {
MappedfinalColumns[finC]=columnMaping.get(finalColumns[finC]);
}
for (int i = 0; i < body.size(); i++) {
Map<String, String> finalBuild = new LinkedHashMap<>();
String[] bodyChunks = body.get(i).split(",");
for (int j = 0; j < bodyChunks.length; j++) {
finalBuild.put(MappedfinalColumns[j], bodyChunks[j].replace("\"", ""));
}
finallist.add(finalBuild);
}
JSONArray jsArray = new JSONArray(finallist);
processed =updatebulkstudentJsonArray(jsArray.toString(),generatedString);
logger.info("end of execution");
//
} catch (Exception e) {
logError(e);
return getRestResponse("1", "Could not insert" + e, "");
}
return getRestResponse("0", "OK", "inserted"+processed);
}
//确定学生是否已经存在于数据库中，而不是多次查询数据库
public Long updatebulkstudentJsonArray(String jsarray,String hash) {
Long counter = 0L;
Long id = 0L;
try {
HashMap<Long, Student> Stud_map = new HashMap<Long, Student>();
HashMap<Long, Student> originalStud_map = new HashMap<Long, Student>();
JsonParser jsonParser = new JsonParser();
JsonArray jsonArrayD = (JsonArray) jsonParser.parse(jsarray);
if (jsonArrayD.size() > 0) {
TypedQuery<Student> queryInfo = em.createQuery("SELECT s FROM Student s", Student.class);
List<Student> Stud_listInfo = queryInfo.getResultList();
//here i am creating an 2 identical hash map from the data i got from the database
//the first hash map will be updated dynamically when the data is being inserted
//the original map will remain unchanged so that i can keep tract of the changes ( knowing if a data is being added or modified as the file may contain duplicates)
if (Stud_listInfo.size() > 0) {
for (int i = 0; i < Stud_listInfo.size(); i++) {
Student existingInfo = Stud_listInfo.get(i);
Stud_map.put(existingInfo.getStud__id(), existingInfo);
originalStud_map.put(existingInfo.getStud__id(), existingInfo);
}
}
Date date = new Date();
int clearCounter=0;
//looping to insert into the database here, the problem is somewhere here
for (int i = 0; i < jsonArrayD.size(); i++) {
ObjectMapper objectMapper = new ObjectMapper();
Student StudentObj = objectMapper.readValue(jsonArrayD.get(i).toString(), Student.class) ;
//Stud_obj = decoded line sent by the php
//Stud_map = list of existing data in the database plus it will be updated as the function executes
//originalStud_map = list of existing data in the database plus it will not be updated as the function executes
//i got this from searches online however it doesn't seem to help
if ( i % 10000 == 0 ) {
clearCounter=clearCounter+1;
log.info(" clearing memory"+clearCounter);
}
if(Stud_map.containsKey(StudentObj.getStud__id())){
id = updateStud_(StudentObj, Stud_map.get(StudentObj.getStud__id()), Stud_map.containsKey(StudentObj.getStud__id()), originalStud_map.containsKey(StudentObj.getStud__id()),date);
}else{
id = updateStud_(StudentObj, null, Stud_map.containsKey(StudentObj.getStud__id()), originalStud_map.containsKey(StudentObj.getStud__id()),date);
}
StudentObj.setId(id);
if (!Stud_map.containsKey(StudentObj.getStud__id()))
Stud_map.put(StudentObj.getStud__id(), StudentObj);
counter++;
}
}
} catch (Exception e) {
log.info(e.toString());
}
return counter;
}
//将数据添加到数据库
public Long updateStud_(Student Student, Student Stud_map, Boolean foundinupdatedList, Boolean foundinoriginalList,Date date) {
Long id = -1L;
if (foundinupdatedList) {
Student existingInfo = Stud_map;
if (Student.getName() != null)
existingInfo.setLac(Student.getName());
if (Student.getSname() != null)
existingInfo.setLongitude(Student.getSname());
if (Student.getSex() != null)
existingInfo.setLatitude(Student.getSex());
if (Student.getAge() != null)
existingInfo.setRange(Student.getAge());
//determining if its a new insert or a modification
if (foundinoriginalList) {
existingInfo.setLastaction("MODIFY");
existingInfo.setLast_modified_date(new Timestamp(date.getTime()));
} else {
existingInfo.setLastaction("ADD");
}
existingInfo.setProcessing("t");
//info.setId(info.getId());
em.merge(existingInfo);
//em.flush();
id = Student.getId();
} else {
Student.setCreatedate(new Timestamp(date.getTime()));
em.persist(Student);
em.flush();
id = Student.getId();
}
return id;
}
错误日志
2018-08-30 10:46:23,665 INFO [com.project.school.MyStudentEjb] (default task-22) clearing memory1
2018-08-30 10:47:38,432 INFO [com.project.school.MyStudentEjb] (default task-22) clearing memory2
2018-08-30 10:50:11,276 INFO [com.project.school.MyStudentEjb] (default task-22) clearing memory3
2018-08-30 10:51:12,620 WARN [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:-78d9068d:5b878b54:1a1 in
state RUN
2018-08-30 10:51:12,623 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012095: Abort of action id 0:ffff7f000001:-78d9068d:5b878b54:1a1 invoked while
multiple threads active within it.
2018-08-30 10:51:12,643 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012381: Action id 0:ffff7f000001:-78d9068d:5b878b54:1a1 completed with multiple
threads - thread default task-22 was in progress with org.hibernate.engine.internal.EntityEntryContext.reentrantSafeEntityEntries(EntityEntryContext.java:318)
org.hibernate.engine.internal.StatefulPersistenceContext.reentrantSafeEntityEntries(StatefulPersistenceContext.java:1128)
org.hibernate.event.internal.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:136)
org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:74)
org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:38)
org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1282)
org.hibernate.jpa.spi.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:1300)
org.jboss.as.jpa.container.AbstractEntityManager.flush(AbstractEntityManager.java:459)
com.project.school.MyStudentEjb.updateStud_(MyStudentEjb.java:560)
com.project.school.MyStudentEjb.updatebulkStud_(MyStudentEjb.java:371)
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.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437)
org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82)
org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:93)
org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437)
org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:64)
org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:275)
org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:327)
org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:239)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor.processInvocation(WaitTimeInterceptor.java:47)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.deployment.processors.StartupAwaitInterceptor.processInvocation(StartupAwaitInterceptor.java:22)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:67)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636)
org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:198)
org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:185)
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73)
com.project.school.MyStudentEjb$$$view137.updatebulkStud_(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:433)
org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:128)
org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56)
org.jboss.weld.bean.proxy.InjectionPointPropagatingEnterpriseTargetBeanInstance.invoke(InjectionPointPropagatingEnterpriseTargetBeanInstance.java:67)
org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:100)
com.project.school.MyStudentEjb$Proxy$_$$_Weld$EnterpriseProxy$.updatebulkStud_(Unknown Source)
com.project.school.StudentImpl.updatebulkstudentJsonArray(StudentImpl.java:256)
com.project.school.StudentImpl.provisionStudent(StudentImpl.java:164)
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.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139)
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:295)
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:249)
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:236)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:402)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:209)
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)
2018-08-30 10:51:12,644 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012108: CheckedAction::check - atomic action 0:ffff7f000001:-78d9068d:5b878b54:
1a1 aborting with 1 threads active!
2018-08-30 10:51:12,652 INFO [com.project.school.MyStudentEjb] (default task-22) javax.persistence.TransactionRequiredException: WFLYJPA0060: Transaction is required
to perform this operation (either use a transaction or extended persistence context)
2018-08-30 10:51:12,653 WARN [com.arjuna.ats.arjuna] (default task-22) ARJUNA012077: Abort called on already aborted atomic action 0:ffff7f000001:-78d9068d:5b878b54:1a1
2018-08-30 10:51:12,662 WARN [org.hibernate.resource.transaction.backend.jta.internal.synchronization.SynchronizationCallbackCoordinatorTrackingImpl] (Transaction Reape
r Worker 0) HHH000451: Transaction afterCompletion called by a background thread; delaying afterCompletion processing until the original thread can handle it. [status=4]
2018-08-30 10:51:12,664 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012121: TransactionReaper::doCancellations worker Thread[Transaction Reaper Wor
ker 0,5,main] successfully canceled TX 0:ffff7f000001:-78d9068d:5b878b54:1a1
2018-08-30 10:51:12,673 ERROR [org.jboss.as.ejb3.invocation] (default task-22) WFLYEJB0034: EJB Invocation failed on component MyStudentEjb for method public java.lang.Long
com.project.school.MyStudentEjb.updatebulkStud_(java.lang.String,java.lang.String): javax.ejb.EJBTransactionRolledbackException: Transaction rolled back
at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleEndTransactionException(CMTTxInterceptor.java:137)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.endTransaction(CMTTxInterceptor.java:117)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:279)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:327)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:239)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor.processInvocation(WaitTimeInterceptor.java:47)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.deployment.processors.StartupAwaitInterceptor.processInvocation(StartupAwaitInterceptor.java:22)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:67)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636)
at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
at ......
at com.project.school.MyStudentEjb$$$view137.updatebulkStud_(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
----删除其他部分，因为它不适合这个线程.....
Caused by: javax.transaction.RollbackException: WFLYEJB0447: Transaction 'TransactionImple < ac, BasicAction: 0:ffff7f000001:-78d9068d:5b878b54:1a1 status: ActionStatus.
ABORTED >' was already rolled back
at org.jboss.as.ejb3.tx.CMTTxInterceptor.endTransaction(CMTTxInterceptor.java:98)
... 102 more
2018-08-30 10:51:12,685 WARNING [com.project.school.StudentImpl] (default task-22) Transaction rolled back
2018-08-30 10:51:12,685 INFO [log] (default task-22) end of execution
也许你在服务器端有一个超时，尝试将statement_timeout设置得更高。您应该检查有很多超时选项。