apache/maven · error · UnsupportedOperationException

Not yet implemented

Error message

Not yet implemented

What it means

Error "Not yet implemented" thrown in apache/maven.

Source

Thrown at compat/maven-toolchain-model/src/main/java/org/apache/maven/toolchain/model/io/xpp3/MavenToolchainsXpp3Reader.java:81

     *
     * @return boolean
     */
    public boolean getAddDefaultEntities() {
        return delegate.getAddDefaultEntities();
    }

    /**
     * Method read.
     *
     * @param parser a parser object.
     * @param strict a strict object.
     * @return PersistedToolchains
     * @throws IOException IOException if any.
     * @throws XmlPullParserException XmlPullParserException if
     *         any.
     */
    public PersistedToolchains read(XmlPullParser parser, boolean strict) throws IOException, XmlPullParserException {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    /**
     * @param reader a reader object.
     * @param strict a strict object.
     * @return PersistedToolchains
     * @throws IOException IOException if any.
     * @throws XmlPullParserException XmlPullParserException if
     *         any.
     * @see XmlStreamReader
     */
    public PersistedToolchains read(Reader reader, boolean strict) throws IOException, XmlPullParserException {
        try {
            return new PersistedToolchains(delegate.read(reader, strict, null));
        } catch (XMLStreamException e) {
            throw new XmlPullParserException(e.getMessage(), null, e);
        }
    }

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at compat/maven-toolchain-model/src/main/java/org/apache/maven/toolchain/model/io/xpp3/MavenToolchainsXpp3Reader.java:81 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/maven@e4093d4e12 (2026-08-21). Data as JSON: /api/errors/bd82e973461e5671. Report an issue: GitHub.