Base64编码:非法的base64字符3c [英] Base64 Encoding: Illegal base64 character 3c

问题描述

我正在尝试将xml格式的数据解码为字节base64，但是遇到问题.我的方法是在Java中，它使用String数据并将其转换为bytes，就像波纹管一样.

I am trying to decode data in an xml format into bytes base64 and I am having an issues. My method is in java which takes a String data and converts it into bytes like as bellow.

String data = "......"; //string of data in xml format
byte[] dataBytes = Base64.getDecoder().decode(data);

哪个失败了，并给出了类似波纹管的异常.

Which failed and gave the exception like bellow.

java.lang.IllegalArgumentException: Illegal base64 character 3c
    at java.util.Base64$Decoder.decode0(Base64.java:714)
    at java.util.Base64$Decoder.decode(Base64.java:526)
    at java.util.Base64$Decoder.decode(Base64.java:549)
    at XmlReader.main(XmlReader.java:61)

xml格式与base64不兼容吗?

Is the xml format not compatible with base64?

推荐答案

感谢@ luk2302，我能够解决此问题.在解码字符串之前，我需要先将其编码为Base64

Thanks to @luk2302 I was able to resolve the issue. Before decoding the string, I need to first encode it to Base64

    byte[] dataBytes = Base64.getEncoder().encode(data.getBytes());
    dataBytes = Base64.getDecoder().decode(dataBytes);

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