nosuchmethoderror

I was trying to integrate firebase real time database with google app engine app. I was getting this error when calling > DatabaseReference ref = FirebaseDatabase > .getInstance() > .getReference("todoItems"); Stacktrace is 03:21:01.450 Error for /productSync java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkState(ZLjava/lang/String;Ljava/lang/Object;)V at com.google.firebase.FirebaseApp.checkNotDeleted(FirebaseApp.java:314) at com.google.firebase.FirebaseApp.getOptions(FirebaseApp.java:260) at com.google.firebase.database.FirebaseDatabase.getInstance(FirebaseDatabase.java

So, I've had my app published for nearly a year without seeing this issue, and now it shows up. Even right now, I don't have this issue with the debug version on my phone. I don't have any issues with any emulators opened from Android Studio. However nearly every emulator from the pre-launch reports in the Google Developer Console crashes with this NoSuchMethodError upon receiving Retrofit response. FATAL EXCEPTION: ControllerMessenger Process: xxxxxxx, PID: 25090 java.lang.NoSuchMethodError: No direct method <init>(Lcom/google/gson/Gson;)V in class Lcom/google/gson/Gson$1; or its super

1.异常内容 我遇到的具体现象是，将工程发布到tomcat可以正常运行，但是通过junit跑测试，就会如下错误： Caused by: java.lang.NoSuchMethodError: javax.persistence.Table.indexes()[Ljavax/persistence/Index; at org.hibernate.cfg.annotations.EntityBinder.processComplementaryTableDefinitions(EntityBinder.java:936) ~[hibernate-core-4.3.5.Final.jar:4.3.5.Final] at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:824) ~[hibernate-core-4.3.5.Final.jar:4.3.5.Final] at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3788) ~[hibernate-core-4.3.5.Final.jar:4.3.5.Final] at org

I am working on a Java EE application, which runs on a WAS application server. I am also using Hibernate. JRE version 7 Here is the error I am getting: [12/1/14 9:04:37:199 SAST] 00000155 ServletWrappe E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0014E: Uncaught service() exception root cause /operations/enrollstudents.jsp: com.ibm.websphere.servlet.error.ServletErrorReport: java.lang.NoSuchMethodError: com/ictworx/json/JsonHelper.getJson(Ljava/util/List;[Ljava/lang/String;)Ljava/lang/String; at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java

I'm pretty new to Dart, and I'm used to working with C# (and XNA usually), so Dart is a little different, and I'm not sure why this error is happening. double left = c.Position.x - (canvasDimensions.x * 0.5); the Position and canvasDimensions are a type I created, called Vector2, which basically contains 2 numbers, x and y, I am getting the error NoSuchMethodError : method not found: '-' Receiver: null Arguments: [600.0] on the line shown, since I am not familiar with the language I am not sure why this is happening, please help, thanks! Here c.Position.x is null . In Dart calling a method (or

双休整合下 整合struts2+spring3.2.1+hibernate4.2.1 结果遇到问题如下问题： java.lang.NoSuchMethodError: org.hibernate.SessionFactory.openSession()Lorg/hibernate/classic/Session; at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:323) at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:235) at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:457) at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:392) at org.springframework.orm.hibernate3