Error in uploading file from diskfileupload - eclipse

import org.apache.tomcat.util.http.fileupload.DiskFileUpload;
In my Eclipse said import org.apache.tomcat.util.http.fileupload.DiskFileUpload cannot resolved.
Even import jar commons-fileupload-1.2.2
import org.apache.tomcat.util.http.fileupload.FileItem;
import org.apache.tomcat.util.http.fileupload.FileUpload;
import org.apache.tomcat.util.http.fileupload.FileUploadException;
But above three does"nt gives error..Why?

please check if you have coyote.jar or tomcat-coyote.jar in your classpath as this error is not a commons-fileupload-1.2.2.jar error.

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import name 'Mapping' from 'collections'

I have installed yfinance, but when i try to import it, it gives me the error: cannot import name 'Mapping' from 'collections'. I tried writing on jupyter notebook from collections.abs import Mappings, but it didn't work. I tried to look at the file init.py, but there is no: from collection import mapping, there is only import _collections_abc, and from _collections import deque.
Please help if someone has a solution?My python version is 3.10.5

Flutter Location Import Errors

I am trying to use the Location plugin (https://pub.dev/packages/location#-readme-tab-)
I have included all dependencies in the analysis and tried to test using the example however, the following imports are throwing errors "Target of URI doesn't exist..."
import 'get_location.dart';
import 'listen_location.dart';
import 'permission_status.dart';
import 'service_enabled.dart';
I tried to import dependencies and changed my settings.gradle with no success. Any advice is greatly appreciated.

Error in compilation of scala file in play

I have a Scala file and I am using Play Framework 2.0.4 to compile it. Here is a part of it
import play.api.templates.Html;
import play.api.templates.Txt;
import securesocial.controllers.Registration.RegistrationInfo;
import securesocial.controllers.TemplatesPlugin.
import securesocial.core.{SecuredRequest, SocialUser};
import play.api.data.Form;
import securesocial.core.Identity;
import securesocial.core.SecureSocial._;
import securesocial.controllers.PasswordChange.ChangeInfo;
At compile time I get this error
identifier expected but 'import' found.
What is the issue here?
Could it be import securesocial.controllers.TemplatesPlugin.: the trailing dot?
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"The import org.apache.commons.fileupload cannot be resolved" does not go off despite adding lib

When I try to import
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
Eclipse shows an error,
The import org.apache.commons.fileupload cannot be resolved
I added these libraries but still this error does not go off.
commons-fileupload-1.3.jar
commons-fileupload-1.3-javadoc.jar
commons-fileupload-1.3-sources.jar
commons-fileupload-1.3-tests.jar
commons-fileupload-1.3-test-sources.jar
How should I correct this error?
I had to add these libraries in the build path after which it worked. Eclipse did not do it by itself.
You have to add these libraries at 2 places. To build path of the project and in /WEB-INF/lib folder

The import com.interwoven cannot be resolved

I am new to Teamsite and a not sure which jar file to use for resolving the issue that I get while trying to write a Java Datasource in Eclipse.
The list of imports I am using are:
import com.interwoven.datasource.MapDataSource;
import com.interwoven.datasource.core.DataSourceContext;
import com.interwoven.livesite.dom4j.Dom4jUtils;
import com.interwoven.serverutils100.InstalledLocations;
import com.interwoven.cssdk.filesys.CSVPath;
All these imports show the same error
The import com.interwoven cannot be resolved.
Can anyone please tell me which jar files should I add?