jakarta-ee

问题 I would like to cluster a map that is kept on application-level scope. A first thought was to use a @Singleton , @Clustered bean with a field holding my data. This does not seem to work and my guess is that it was never implemented This post proposes ways to implement clustered singletons but they seem complex. The only alternative that I see, apart from manually updating db table(s), is to use a replicated cache. My question is: Is it advised to declare and use an infinispan cache (like this

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago . sir in java-ee how could i get detail of packet header( source_IP,destination_IP,Source_Port,Destination_Port only ) which are transmitting and receiving at our system through socket.... whenever we open browser

问题 Question How can you programmatically determine when Tomcat has completed startup? I mean programmatically from within a WAR file running on Tomcat, most likely via a Servlet that can tap into container info if possible? Background The Catalina log entry that you normally see after a WAR has fully deployed would be equal to what I'm looking for. I have a constraint that makes parsing the logs undesirable. But the data that goes to Catalina.out is precisely what I'm looking for. I'm trying to

问题 I have a Tomcat application, I need two different servlets or the same one to respond in parallel to my requests. The case is I have a first request asking to download medical imaging and I have another AJAX client request fetching images before the first request is completely done. But for some reason, the server does not respond to my second request until the first one is over. What has to be changed in order to achieve concurrent servlets execution? We have a pretty good server with

问题 **hi friends i am new to use Tomcat6 i had everything done last week and Tomcat was worked. But now i can't use Tomcat6 other machine. I searched lot but i could not find true answer for my problem please help me ** SEVERE: Error deploying configuration descriptor host-manager.xml java.lang.NoSuchMethodError: javax.servlet.ServletContext.getContextPath()Ljava/lang/String; at org.apache.catalina.core.StandardHost$MemoryLeakTrackingListener.lifecycleEvent(StandardHost.java:616) at org.apache

问题 I have a Tomcat application, I need two different servlets or the same one to respond in parallel to my requests. The case is I have a first request asking to download medical imaging and I have another AJAX client request fetching images before the first request is completely done. But for some reason, the server does not respond to my second request until the first one is over. What has to be changed in order to achieve concurrent servlets execution? We have a pretty good server with

问题 I read a JSON array from a file but I'd like to add additional entries into the array. How would I go about doing this using the javax.json library? private String getJson(FileInputStream fis) throws IOException { JsonReader jsonReader = Json.createReader(fis); // Place where I'd like to get more entries. String temp = jsonReader.readArray().toString(); jsonReader.close(); fis.close(); return temp; } Preview of the JSON format of the file: [ {"imgOne": "test2.png", "imgTwo": "test1.png",

问题 I read a JSON array from a file but I'd like to add additional entries into the array. How would I go about doing this using the javax.json library? private String getJson(FileInputStream fis) throws IOException { JsonReader jsonReader = Json.createReader(fis); // Place where I'd like to get more entries. String temp = jsonReader.readArray().toString(); jsonReader.close(); fis.close(); return temp; } Preview of the JSON format of the file: [ {"imgOne": "test2.png", "imgTwo": "test1.png",

问题 I am trying RestEasy in jboss seam build application. What i did so far is updated components.xml <components xmlns:resteasy="http://jboss.org/schema/seam/resteasy" xsi:schemaLocation= http://jboss.org/schema/seam/resteasy http://jboss.org/schema/seam/resteasy-2.3.xsd http://jboss.org/schema/seam/components http://jboss.org/schema/seam/components-2.3.xsd"> My Resource class is @Path("/customer") @Name("customer") @Scope(ScopeType.SESSION) public class HelloWorldRestEasy { @Path("/customerId")

问题 I am trying RestEasy in jboss seam build application. What i did so far is updated components.xml <components xmlns:resteasy="http://jboss.org/schema/seam/resteasy" xsi:schemaLocation= http://jboss.org/schema/seam/resteasy http://jboss.org/schema/seam/resteasy-2.3.xsd http://jboss.org/schema/seam/components http://jboss.org/schema/seam/components-2.3.xsd"> My Resource class is @Path("/customer") @Name("customer") @Scope(ScopeType.SESSION) public class HelloWorldRestEasy { @Path("/customerId")