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Only a type can be imported

Maxim Kovalev, geändert vor 12 Jahren.

Only a type can be imported

New Member Beiträge: 23 Beitrittsdatum: 15.02.12 Neueste Beiträge
Hi, All
I created liferay project portlet. It added the liferay hook, which overrides user_action.jsp
In the jsp I need to access your class Test.java which I added in src portlet. But when you call I get an error:

An error occurred at line: 15 in the generated java file
Only a type can be imported. test.Test resolves to a package


I really need your help
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Jitendra Rajput, geändert vor 12 Jahren.

RE: Only a type can be imported

Liferay Master Beiträge: 875 Beitrittsdatum: 07.01.11 Neueste Beiträge
I think this Test.java is not present in your class path.
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Jitendra Rajput, geändert vor 12 Jahren.

RE: Only a type can be imported

Liferay Master Beiträge: 875 Beitrittsdatum: 07.01.11 Neueste Beiträge
look at this link for more information abt this errror.

http://stackoverflow.com/questions/1858463/java-error-only-a-type-can-be-imported-xyz-resolves-to-a-package
Maxim Kovalev, geändert vor 12 Jahren.

RE: Only a type can be imported

New Member Beiträge: 23 Beitrittsdatum: 15.02.12 Neueste Beiträge
My problem is probably not the case.
custom_jsps \ html \ portlet \ users_admin \ edit_user.jsp I override the deploy when copied to the tomcat\webapps\ROOT\html\portlet \ users_admin, and the classes it needs are in the portlet. How do I make them visible?
Maxim Kovalev, geändert vor 12 Jahren.

RE: Only a type can be imported

New Member Beiträge: 23 Beitrittsdatum: 15.02.12 Neueste Beiträge
I saw on the forum that this problem can be solved by renderURL
in custom_jsps \ html \ portlet \ users_admin \ edit_user.jsp I added:
<liferay-portlet:renderurl plid="10163" portletname="user-reg_WAR_user-reg-portlet" var="userRegisterPortlet">
<!-- liferay-portlet: renderURL--></liferay-portlet:renderurl>

That is, when you call the portlet should work its ClassLoader, but the problem persists

maybe I'm wrong?
Maxim Kovalev, geändert vor 12 Jahren.

RE: Only a type can be imported

New Member Beiträge: 23 Beitrittsdatum: 15.02.12 Neueste Beiträge
Please, help me!
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Natalie D, geändert vor 11 Jahren.

RE: Only a type can be imported

Junior Member Beiträge: 55 Beitrittsdatum: 06.02.12 Neueste Beiträge
Maxim Kovalev:
Please, help me!


I know that almost three months have passed, but for other folks who will find this question in the future:
It is not possible to access classes from one portlet inside other portlets, due to different ClassLoaders. Think of it as every portlet/hook is inside its own sandbox.
When you want to access classes from other portlets it is just poor design. So change your strategy.

FYI: to access classes defined by yourself from any other portlet the only thing you can do (as far as I know) is prepare EXT plugin and add new classes to it.

Regards
Natalie
Thomas Cozien, geändert vor 11 Jahren.

RE: Only a type can be imported

New Member Beiträge: 11 Beitrittsdatum: 25.01.12 Neueste Beiträge
Hi, even if your statement is true, I got the error :

Only a type can be imported. x.y.service.XServiceUtil resolves to a package

When accessing to my service in my override jsp.

As Maxim Kovalev, I created Iiferay hook to override some struts action : /blogs/edit-entry
(I follow this page : http://www.liferay.com/web/mika.koivisto/blog/-/blogs/7132115 )

My liferay-hook.xml :
<hook>
	<custom-jsp-dir>/META-INF/custom_jsps</custom-jsp-dir>
	<struts-action>
		<struts-action-path>/blogs/edit_entry</struts-action-path>
		<struts-action-impl>x.y.EditBlogEntryAction</struts-action-impl>
	</struts-action>
</hook>


I override /html/portlet/blogs/edit_entry.jsp and added the import :

&lt;%@ include file="x.y.service.XServiceUtil" %&gt;


Natalie D:

It is not possible to access classes from one portlet inside other portlets, due to different ClassLoaders. Think of it as every portlet/hook is inside its own sandbox.
When you want to access classes from other portlets it is just poor design.

There is a single portlet;
Any suggestions?

Regards
Tom
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Sandeep Nair, geändert vor 11 Jahren.

RE: Only a type can be imported

Liferay Legend Beiträge: 1744 Beitrittsdatum: 06.11.08 Neueste Beiträge
Hi Tom,

You are overriding portal's jsp, which will run in portal's classloader. So it cannot access the services in hook(hook's classloader is different). You have to move your custom-service.jar in global classpath for the issue to get resolved.

Regards,
Sandeep
Thomas C, geändert vor 11 Jahren.

RE: Only a type can be imported

New Member Beiträge: 11 Beitrittsdatum: 25.01.12 Neueste Beiträge
Hi Sandeep,

Thanks for the precision.
Indeed, I move my custom-service.jar in tomcat's ext lib and it works.

Regards,
Tom