java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.encodeBase64String

Question

I am trying a encrypt a plain text using org.apache.commons.codec.binary.Base64. When I call the method org.apache.commons.codec.binary.Base64.encodeBase64String(aByteArray), it gives the following exception

Exception in thread "main" java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.encodeBase64String([B)Ljava/lang/String;

I am using the jar, org-apache-commons-codec.jar. Please help me as I can't understand What is wrong with this.

Check the API for the relavent version, whether it's has this method with a parameter — Abimaran Kugathasan
– Abimaran Kugathasan, Commented Nov 27, 2014 at 6:03

Atilla Ozgur · Accepted Answer · 2014-11-27 09:00:54Z

1

First of all encoding is not encryption. You are only changing representation of your string while encoding, it is easily changed back.

Since you are getting this exception this means that you at least have this jar in your classpath. Open this jar with a suitable zip tool like 7-zip and look at your Manifest.mf file. Your jar version should be greater than 1.4 according to Base64javadoc. Download latest version and replace your older version.

edited Nov 27, 2014 at 9:00

answered Nov 27, 2014 at 6:46

Atilla Ozgur

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2 Comments

Tobías Over a year ago

According to Base64#encodeBase64String javadoc, version should be >= 1.4

Atilla Ozgur Over a year ago

@Tobías thanks, I looked at class version, not method version

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