CODEWITHSUNDEEP
androidapache-commons
Alexei
Alexei

Reputation: 15716

java.io.UnsupportedEncodingException: java.nio.charset.CharsetICU[UTF-8]

android studio 3.6

in build.gradle:

compileOptions {
        targetCompatibility JavaVersion.VERSION_1_8
        sourceCompatibility JavaVersion.VERSION_1_8
    }

api 'org.apache.commons:commons-io:1.3.2'

in my code

import org.apache.commons.io.FileUtils
import java.io.*
import java.nio.charset.StandardCharsets

     val file = File(folderPath + File.separator + resultFileName)
                FileUtils.writeStringToFile(
                    file,
                    fileContents,
                    StandardCharsets.UTF_8.toString()
                )

but I get error:

 java.nio.charset.CharsetICU[UTF-8]
 java.io.UnsupportedEncodingException: java.nio.charset.CharsetICU[UTF-8]
    at java.nio.charset.Charset.forNameUEE(Charset.java:322)
    at java.lang.String.getBytes(String.java:534)
    at org.apache.commons.io.IOUtils.write(IOUtils.java:810)
    at org.apache.commons.io.FileUtils.writeStringToFile(FileUtils.java:1110)
    at com.myproject.client.common.util.AndroidFileUtil.saveTextToFile(AndroidFileUtil.kt:106)
    at com.myproject.client.service.RecognizedCheckDataService$Companion.saveRecognizedText(RecognizedCheckDataService.kt:117)
    at com.myproject.client.viewmodel.ScanCheckRompetrolViewModel.finishProcessRecognizedCheck(ScanCheckRompetrolViewModel.kt:1059)
    at com.myproject.client.viewmodel.ScanCheckRompetrolViewModel.access$finishProcessRecognizedCheck(ScanCheckRompetrolViewModel.kt:28)
    at com.myproject.client.viewmodel.ScanCheckRompetrolViewModel$runDetector$1.onSuccess(ScanCheckRompetrolViewModel.kt:193)
    at com.myproject.client.viewmodel.ScanCheckRompetrolViewModel$runDetector$1.onSuccess(ScanCheckRompetrolViewModel.kt:28)
    at com.google.android.gms.tasks.zzn.run(Unknown Source)
    at android.os.Handler.handleCallback(Handler.java:739)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:148)
    at android.app.ActivityThread.main(ActivityThread.java:5417)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
 Caused by: java.nio.charset.IllegalCharsetNameException: java.nio.charset.CharsetICU[UTF-8]

Upvotes: 5

Views: 3811

Answers (2)

Sepehr1812
Sepehr1812

Reputation: 91

In my case, replacing StandardCharsets.UTF_8.toString() with "UTF-8" solved the problem.

Note that toString() returns the result of name(), so replacing it with name(), as the comment on the question suggests, does not change anything.
You can also use name() instead of an explicit canonical name as @johnnyb mentions in the comments below.

Upvotes: 0

Thomas
Thomas

Reputation: 182000

Charset#toString() is not well specified; on Android, it returns "java.nio.charset.CharsetICU[UTF-8]" as found here. And that string is of course not the name of an existing charset.

But there is no need for the toString() call at all. The writeStringToFile method has an overload that accepts a Charset directly.

Upvotes: 6

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