Hibernate JPA - Whether those connections exist or not after entityManager is closed












0














Whether those connections exist or not after entityManager is closed.
I mean that when I closed the entityManager class, these connection between application and database is exist or not.










share|improve this question






















  • you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
    – Billy Frost
    Nov 21 at 10:55


















0














Whether those connections exist or not after entityManager is closed.
I mean that when I closed the entityManager class, these connection between application and database is exist or not.










share|improve this question






















  • you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
    – Billy Frost
    Nov 21 at 10:55
















0












0








0







Whether those connections exist or not after entityManager is closed.
I mean that when I closed the entityManager class, these connection between application and database is exist or not.










share|improve this question













Whether those connections exist or not after entityManager is closed.
I mean that when I closed the entityManager class, these connection between application and database is exist or not.







java hibernate jpa






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 21 at 10:00









Hao Ran

11




11












  • you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
    – Billy Frost
    Nov 21 at 10:55




















  • you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
    – Billy Frost
    Nov 21 at 10:55


















you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
– Billy Frost
Nov 21 at 10:55






you mean you (or the JPA provider) are using a database connection pool and it keeps connections open. Read the docs on your chosen JPA provider to see what it does
– Billy Frost
Nov 21 at 10:55



















active

oldest

votes











Your Answer






StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");

StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);

StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});

function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});


}
});














draft saved

draft discarded


















StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53409492%2fhibernate-jpa-whether-those-connections-exist-or-not-after-entitymanager-is-cl%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown






























active

oldest

votes













active

oldest

votes









active

oldest

votes






active

oldest

votes
















draft saved

draft discarded




















































Thanks for contributing an answer to Stack Overflow!


  • Please be sure to answer the question. Provide details and share your research!

But avoid



  • Asking for help, clarification, or responding to other answers.

  • Making statements based on opinion; back them up with references or personal experience.


To learn more, see our tips on writing great answers.





Some of your past answers have not been well-received, and you're in danger of being blocked from answering.


Please pay close attention to the following guidance:


  • Please be sure to answer the question. Provide details and share your research!

But avoid



  • Asking for help, clarification, or responding to other answers.

  • Making statements based on opinion; back them up with references or personal experience.


To learn more, see our tips on writing great answers.




draft saved


draft discarded














StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53409492%2fhibernate-jpa-whether-those-connections-exist-or-not-after-entitymanager-is-cl%23new-answer', 'question_page');
}
);

Post as a guest















Required, but never shown





















































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown

































Required, but never shown














Required, but never shown












Required, but never shown







Required, but never shown







Popular posts from this blog

404 Error Contact Form 7 ajax form submitting

How to know if a Active Directory user can login interactively

TypeError: fit_transform() missing 1 required positional argument: 'X'