classcastexception Questions

1

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I'm trying to set 'Sub-title' of a CollapsingToolbarLayout in my app using this example here. Here's the code from onCreate() of Profile.java: CollapsingToolbarLayout collapsingToolbarLayout; T...

1

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I am trying to run something I have been successfully running under a variety of conditions for months. I am using akka-actor_2.11 2.3.4 with scala-library 2.11.7 from a Java application running Ja...
Hazel asked 29/3, 2016 at 17:20

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I work on a project using Java 8 We have a negative test similar to this: public Integer g(Object data) { try { Double d = (Double)data; } catch(ClassCastException ex) { if( ex.getMessage(...
Manger asked 9/11, 2016 at 8:24

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I'm using ant to generate javadocs, but get this exception over and over - why? I'm using JDK version 1.6.0_06. [javadoc] java.lang.ClassCastException: com.sun.tools.javadoc.ClassDocImpl cannot b...
Jeromyjerreed asked 4/9, 2008 at 21:37

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I have am deploying 2 EARs onto JBoss AS 7.1.0.Alpha1-SNAPSHOT (post 7.0.1.Final version). Both deploy fine. I have an EJB Singleton class packaged within a JAR, within one of the EARs: @Startup...
Alishiaalisia asked 1/9, 2011 at 11:33

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I have the following and I get the error java.lang.String cannot be cast to [Ljava.lang.String; I have changed the Object[] to String[] because I faced the next error: java.lang.Object ca...
Unquestionable asked 22/9, 2016 at 11:56

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So I'm playing with geotools and I thought I'd proxy one of their data-access classes and trace how it was being used in their code. I coded up a dynamic proxy and wrapped a FeatureSource (interfa...
Glandulous asked 15/4, 2010 at 4:19

5

can anyone help me resolve my tomcat run error, I get the following error when i run tomcat: SEVERE: Exception starting filter springSecurityFilterChain java.lang.ClassCastException: org.springfra...
Macruran asked 10/10, 2011 at 3:31

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I'm getting an error: java.lang.ClassCastException: Z cannot be cast to java.lang.String while trying to run coverage (EclEmma) on a Junit test. If I run the test regularly (without coverage) then ...
Candlenut asked 18/8, 2016 at 7:31

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I'm trying to run the following code which is compiled fine under JDK8 thanks to type inference: public static <A,B> B convert(A a) { return (B) new CB(); } public static void main(String[]...
Ahimsa asked 18/8, 2016 at 15:20

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ClassCastException is thrown by Java8 upon deserializing a lambda when following conditions are met: Parent class has a method, reference to which is used to automatically create a Serializable l...
Hypo asked 6/7, 2016 at 23:20

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During deserialization of one of our data structure (using the default mechanism (no custom writeObject/readObject)), an instance of ImmutableMap$SerializedForm (from google's Guava library) shows ...
Fireweed asked 2/2, 2012 at 10:25

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Lets say I have an array like this*: val foo: Any = 1 : Int Option(foo.asInstanceOf[String]) which fails for obvious reason: // java.lang.ClassCastException: java.lang.Integer cannot be cast to...

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We are currently in the process of migrating an application from Java 7 to Java 8. After fixing a some compilation issues, I stumbled upon an issue similar to the following question: ClassCast Erro...
Aylsworth asked 28/5, 2015 at 21:58

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I'm trying to get (Oracle Data Integrator 12.1.2.0.0) out of the XML from JMS queue, powered Apache ActiveMQ 5.8, but the following error: ODI-1227: Task LKM JMS XML to SQL (Load JMS to XML) fails...

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I'm trying to cut an ArrayList<String> in 2 halves. ArrayList<String> in = new ArrayList<>(), out1, out2; out1 = (ArrayList<String>) in.subList(0,2); //will cause an ClassC...
Ait asked 10/7, 2015 at 3:45

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Please help me to convert ArrayList to String[]. The ArrayList contains values of type Object(VO). For example, The problem is that I need to convert a country List to String Array, sort it and t...
Somite asked 13/7, 2012 at 5:35

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I have a java web application. I have set up this new project and getting the following exception when I run a jsp, Oct 10, 2012 3:01:49 AM org.apache.catalina.core.StandardWrapperValve invoke SEV...
Norge asked 10/10, 2012 at 7:19

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i have two classes in java as: class A { int a=10; public void sayhello() { System.out.println("class A"); } } class B extends A { int a=20; public void sayhello() { System.out.println...
Superheterodyne asked 22/6, 2010 at 11:55

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Why this code throws this exception: public class DS3{ public static void main(String[] args) { double r = (double)((Object)4); System.out.println(r); } } Exception in thread "main" java...
Katelyn asked 30/3, 2015 at 14:2

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I'm having a strange problem with ClassCastException on Android. One class cannot be casted to the same class: java.lang.RuntimeException: Unable to start activity ComponentInfo: java.lang.ClassCa...
Solicit asked 12/3, 2015 at 10:29

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I got an Actionbar and some Fragments. The Problem is my Homescreen. There is an overview Fragment on the left side and a detail Fragment on the right side. My TabListener is Dynamic so i want to s...

3

Hi I have a problem that I can't solve on my own. I have a war file packaged in ear and running on glassfish 3.0.1 with hibernate 3.5 as JPA provider. I compile it with maven and deploy it with id...
Manual asked 30/3, 2011 at 7:48

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Sorry if this was already explained, but i didn't find similar threads anywhere in web. Today I opened one project class in IDE and saw an error (red underline), though project was compiled succes...
Confirmation asked 26/1, 2015 at 8:38

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Below is the first Java generics I've ever written : public class MyClass { public static <T> T castToAnotherType(Object param) { T ret = null; try { ret = (T) param; } catch (ClassCas...
Vickivickie asked 2/11, 2014 at 13:21

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