I need to post some form parameters to a server through an HTTP request (one of which is a file). So I use Apache HTTP Client like so… The server returns an error, stack trace is.. I understand from other posts that I need to somehow come up with a boundary, which is a string not found in the content.
Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: text/html – in Resteasy
I am developing RESTEasy Example. In this example I am using all latest dependencies and deploying om tomcat 8.x version. I can successfully deploy the application but when I am launching the url: http://localhost:8080/RESTfulExample/rest/restwebservice/list, I see following errors are coming. Please guide wh…
ResultSet to HashMap
I am trying to pass the output of a ResultSet to Java HashMap. While the Output1 is showing all the records(from the DB). The put command only takes the last value from the ResultSet in. Output1: Output2: How do I make the put command to iterate over the results from the ResultSet? Answer All your IDs are ide…
How to let javamail support http proxy
I found that javamail only support socks. Is there any solution I can use to support http proxy? Answer See the JavaMail FAQ: How do I configure JavaMail to work through my proxy server? … Without such a SOCKS server, if you want to use JavaMail to access mail servers outside the firewall indirectly, yo…
Using spring converter in @RequestBody
Is it possible to enforce Converter ( org.springframework.core.convert.converter.Converter) to finish json object mapping? Json code example: where somename – string, id – integer value mapping to : Converter code example: What I want to achieve is to map that json to the object which will have au…
Maven spring boot run debug with arguments
Usually I’m running my Spring Boot application with command: I want to set custom port to debug, so I can connect from eclipse. When I add arguments from example https://docs.spring.io/spring-boot/docs/1.1.2.RELEASE/maven-plugin/examples/run-debug.html it works but other arguments like server.port or pa…
Merge Map<String, List Java 8 Stream
I would like to merge two Map with JAVA 8 Stream: I try to use this implementation: However, this implementation only create a result like: Map<String, List<Object>> If one key is not contained in the mapGlobal, it would be added as a new key with the corresponding List of String. If the key is du…
How to create a sequence in JPA without creating it directly in the database
I am doing a service that gets data from a source and fetches them into my Database by using JPA. The id is generated by using sequence. I have created the sequence on my DB by using this command: However, I don’t know how to create the sequence directly from my code. Can anyone please help me to figure…
How to change height of a jpopupmenu in a jcombobox?
I am working on an application in which I am handling key release event over a editable ‘JComboBox’, where on every key release a ‘JPopupMenu’ of the ‘JComboBox’ appears. I want to increase the height so that user will be able to see more items at a glance without scrolling…
Marshalling LocalDate using JAXB
I’m building a series of linked classes whose instances I want to be able to marshall to XML so I can save them to a file and read them in again later. At present I’m using the following code as a test case: The XML output is: Is there a reason why the startDate element is empty? I would like