All Questions
15,499
questions
0
votes
0
answers
11
views
javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not extract ResultSet
Here the error:
javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not extract ResultSet
at org.hibernate.internal.ExceptionConverterImpl.convert(...
-1
votes
3
answers
40
views
Adapt exception type of generic throwing iterator
I have an interface ThrowingIterator, which follows the general contract of Iterator, except the hasNext() and next() methods can throw exceptions:
public interface ThrowingIterator<T, E extends ...
- 119
-1
votes
1
answer
30
views
Reactor doOnError - How to include multiple Exception Types in method parameters
I would like to handle multiple exceptions in the same way in the Controller of a Reactive Spring Boot API.
The idea is to send a HttpStatus.BAD_REQUEST as an error response for more than one type of ...
1
vote
1
answer
32
views
how to decide if SocketTimeoutException means there is no connection
we have a retrofit java client to a server running in gui app, we want to notify the user if there is no connection to the server, there are some exceptions that are obvious like ConnectException or ...
- 949
0
votes
1
answer
41
views
Appropriate way to handle exception in Java n-tier application
I have three layers in my application Controller, Service and DAO. My controller and service layers are in spring meanwhile DAO layer is in Hibernate 6. My question is what is most appropriate way to ...
- 31
-3
votes
0
answers
20
views
Failure in finding Kafka source (Spark) [org.apache.spark.sql.AnalysisException: Failed to find data source: kafka]
I have made a fat jar file from my project which uses spark to read some CSVs and write to Kafka easily. The project is written in java, when I run the code in IntelliJ Idea it runs ok. But when I try ...
- 7
0
votes
1
answer
43
views
How to Implement a Lockfile to Prevent Multiple Instances of a Java Application [duplicate]
I am working on a Java application, and I need to ensure that only one instance of the application runs at any given time. I have read that this can be achieved using a lockfile. The idea is that when ...
-1
votes
0
answers
26
views
running a react native app in cmd why its showing build failed with exception?
I want to run the react native app in cmd my emulator is on I run the command npx react-native run-android but I get the following
exception (build failed with exception)
What went wrong:
java.io....
- 71
-1
votes
1
answer
44
views
Camel NotifyBuilder does not match when exception is thrown
It seems that camel's NotifyBuilder works in normal message processing but does not work when exceptions are thrown.
Please see the following test case where I create the following routes
direct:...
- 27.4k
-1
votes
1
answer
44
views
How can I display an error when I use Spring Security?
I'm building an API using Spring Boot, and I've implemented Spring Security for login and registration. However, when I access an endpoint of my API without a good body, I consistently receive a 403 ...
-2
votes
0
answers
25
views
Skip or handle failure in Mutiny Multi.createFrom().iterable in Quarkus and reactive programming
I'm implementing a functionality to read messages from a queue in SQS in AWS, process them and insert them into a table in dynamoDB.
I'm using quarkus and reactive programming with Mutiny to run all ...
- 504
1
vote
2
answers
101
views
How to use try-catch (IOException) for BufferedWriter.write nested in if-else?
I have a block to write data(string) using BufferedWriter, but compiler keeps saying error: unreported exception IOException; must be caught or declared to be thrown this.dataContainer.stream()....
- 308
0
votes
0
answers
73
views
FormulaEvaluatorFormulaParseException Dotted range (full row or column) expression 'C.aRG' must have exactly 2 dots
I am using Apache.poi.xssf.usermodel.XSSF to read from an Excel file and evaluate the formulas using:
FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
evaluator....
- 3
0
votes
1
answer
83
views
How to Return a Custom Error Message for Invalid Enum Value in Spring Boot RequestBody?
My put endpoint accept a requestBody of type UpdateUserDTO. The role property must be of type roleEnum.
I am looking for a way to return a custom message if the role property provided is not a ...
- 353
0
votes
0
answers
26
views
How do I fix this nullPointException exception in my program? [duplicate]
I'm trying to create a simple card game where the user faces against a computer (which is a class in my method that takes its turn automatically after the user), but I'm encountering a ...
