com sun jdi InvocationException occurred invoking method

Question

I just want to create an object of class  but got this error when debugging  Can anybody tell me what the problem is  The location of this code is in some Spring 2 5  Service class    There is a similar problem  OJB Reference Descriptor 1 0 relationship  Should I set auto-retrieve to false   Thanks a lot

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so I had same problem here  Found out that my domain instance was getting detached from the hibernate session  I used isAttached   to check and attached the domain using d attach

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I also had a similar exception when debugging in Eclipse  When I moused-over an object  the pop up box displayed an com sun jdi InvocationException message  The root cause for me was not the toString   method of my class  but rather the hashCode   method  It was causing a NullPointerException  which caused the com sun jdi InvocationException to appear during debugging  Once I took care of the null pointer  everything worked as expected

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This was my case  I had a entity Student which was having many-to-one relation with another entity Classes  the classes which he studied    I wanted to save the data into another table  which was having foreign keys of both Student and Classes  At some instance of execution  I was bringing a List of Students under some conditions  and each Student will have a reference of Classes class    Sample code  -  Iterator lt Student gt  itr   studentId iterator    while  itr hasNext           Student student    Student  itr next        MarksCardSiNoGen bo   new MarksCardSiNoGen         bo setStudentId student        Classes classBo   student getClasses         bo setClassId classBo       Here you can see that  I m setting both Student and Classes reference to the BO I want to save  But while debugging when I inspected student getClasses   it was showing this exception com sun jdi InvocationException    The problem I found was that  after fetching the Student list using HQL query  I was flushing and closing the session  When I removed that session close    statement the problem was solved   The session was closed when I finally saved all the data into table MarksCardSiNoGen    Hope this helps

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I have received com sun jdi InvocationException occurred invoking method when I lazy loaded entity field which used secondary database config  Spring Boot with 2 database configs - lazy loading with second config does not work   Temporary solution was to add FetchType EAGER

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Well  it might be because of several things as mentioned by others before and after  In my case the problem was same but reason was something else   In a class  A   I had several objects and one of object was another class  B  with some other objects  During the process  one of the object  String  from class B was null  and then I tried to access that object via parent class  A    Thus  console will throw null point exception but eclipse debugger will show above mentioned error    I hope you can do the remaining

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I got similar exception in Eclipse  This was due to  java lang StackOverflowError error  I had overriden toString   method in child class  having JoinColumn  which was returning string using object of parentclass  resulting in circular dependency  Try to remove that object from toString    and it will work

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For me the same exception was thrown when the toString was defined as such    Override public String toString         return  ListElem  next     next      data     data            Where ListElem is a linked list element and I created a ListElem as such   private ListElem lt Integer gt  cyclicLinkedList   new ListElem lt  gt  3   ListElem lt Integer gt  cyclicObj   new ListElem lt  gt  4        cyclicLinkedList setNext new ListElem lt Integer gt  2   setNext cyclicObj       setNext new ListElem lt Integer gt  6   setNext new ListElem lt Integer gt  2   setNext cyclicObj     This effectively caused a cyclic linked list that cannot be printed  Thanks for the pointer

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I also faced the same problem  In my case I was hitting a java util UnknownFormatConversionException  I figured this out only after putting a printStackTrace call  I resolved it by changing my code as shown below   from   StringBuilder sb   new StringBuilder    sb append        Test Details       n    String format   Test   1    sb toString       to   String format   Test   s    sb toString

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The root cause is that when debugging the java debug interface will call the toString   of your class to show the class information in the pop up box  so if the toString method is not defined correctly  this may happen

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I had the same issue once  In my case toString   method was badly created  TO be precise a static final variable was included in the toString method when a developer form my team was assigned code cleaning task and to add toString    hashCode   code and equals    methods to domain objects where ever possible  but in of the classes because of  over looking at it  he included final static variable that caused the  com sun jdi InvocationException  this exception was visible on debugging only when I hovered over the object which has the exception

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Removing hashCode   and equals   solved my issue  In my case  I used Apache s commons-lang hash code and equals builders for creating non-static classes manually  so the compiler didn t throw any exception  But at runtime it caused the invocation exception

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Disabling  Show Logical Structure  button icon of the upper right corner of the variables window in the eclipse debugger resolved it  in my case

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In my case it was due to the object reference getting stale  I was automating my application using selenium webdriver  so i type something into a text box and then it navigates to another page  so while i come back on the previous page   that object gets stale  So this was causing the exception  I handled it by again initialising the elements -  PageFactory initElements driver  Test class

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There could be two reasons an element doesn t exist    Bad xpath       id forgotQuote   Correct xpath but no element      contains text    This text is not in the page       Would you get com sun jdi InvocationException in either case when you are running Debug and you hover your mouse over a reference to the WeBElement  this with Selenium and Java      We use the following  but can t distinguish if it returns false due to bad xpath or non-existent element  valid xpath syntax    public static boolean isElementDisplayed WebElement element        boolean isDisplayed   false       try           isDisplayed   element isDisplayed          catch  NoSuchElementException e                No Worries           return isDisplayed

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I faced the same problem once  In my case it was because of overridden equals method  One values was coming null

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I was facing the same issue because I was using Lombok  Data annotation that was creating toString and hashcode methods in class files  so I removed  Data annotation and used specific  Gettter  Setter annotation that fixed my issue   we should use  Data only when we need all  ToString   EqualsAndHashCode   Getter on all fields  and  Setter on all non-final fields  and  RequiredArgsConstructor

[java] com.sun.jdi.InvocationException occurred invoking method

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