### Cache the OpenAPI schema { #cache-the-openapi-schema }

You can use the property `.openapi_schema` as a "cache", to store your generated schema.

That way, your application won't have to generate the schema every time a user opens your API docs.

It will be generated only once, and then the same cached schema will be used for the next requests.

{* ../../docs_src/extending_openapi/tutorial001_py310.py hl[13:14,25:26] *}

				<configuration>
					<!-- OpenSearch tests must run sequentially -->
					<parallel>none</parallel>
					<forkCount>1</forkCount>
					<reuseForks>false</reuseForks>
					<argLine>
						--add-opens java.base/java.net=ALL-UNNAMED
						-Xmx2048m
						-XX:+UseG1GC
					</argLine>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.jacoco</groupId>
				<artifactId>jacoco-maven-plugin</artifactId>

			</plugin>
			<plugin>
				<artifactId>maven-source-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
				<configuration>
					<argLine>--add-opens java.base/java.net=ALL-UNNAMED</argLine>
					<excludes>
						<exclude>**/JodExtractorTest.java</exclude>
					</excludes>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.jacoco</groupId>

                }
            }
        };
        if (threadPool != null) {
            threadPool.execute(task);
        } else {
            task.run();
        }
    }

    /**
     * Opens a connection to the specified URL.
     *
     * @param u the URL
     * @return the HttpURLConnection
     * @throws IOException if an I/O exception occurs
     */