apache/maven · error · IOException

Error writing toolchains

Error message

Error writing toolchains

What it means

Error "Error writing toolchains" thrown in apache/maven.

Source

Thrown at compat/maven-toolchain-builder/src/main/java/org/apache/maven/toolchain/io/DefaultToolchainsWriter.java:51

/**
 * Handles serialization of toolchains into the default textual format.
 *
 * @deprecated since 4.0.0, use {@link MavenToolchainsStaxWriter} instead
 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultToolchainsWriter implements ToolchainsWriter {

    @Override
    public void write(Writer output, Map<String, Object> options, PersistedToolchains toolchains) throws IOException {
        Objects.requireNonNull(output, "output cannot be null");
        Objects.requireNonNull(toolchains, "toolchains cannot be null");

        try (Writer out = output) {
            new MavenToolchainsStaxWriter().write(out, toolchains.getDelegate());
        } catch (XMLStreamException e) {
            throw new IOException("Error writing toolchains", e);
        }
    }
}

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at compat/maven-toolchain-builder/src/main/java/org/apache/maven/toolchain/io/DefaultToolchainsWriter.java:51 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/4869b4fe198d89b7. Report an issue: GitHub.