Building an AI-Powered PDF Processing…

[Søren]

Thanks for this tutorial. I got a couple of dependency management errors, but have managed to solve with the the following pom:

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">

<modelVersion>4.0.0</modelVersion>

<groupId>com.example</groupId>

<artifactId>pdf-processing-pipeline</artifactId>

<version>1.0.0-SNAPSHOT</version>

<properties>

<compiler-plugin.version>3.14.0</compiler-plugin.version>

<maven.compiler.release>21</maven.compiler.release>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

<quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>

<quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>

<quarkus.platform.version>3.29.0</quarkus.platform.version>

<skipITs>true</skipITs>

<surefire-plugin.version>3.5.2</surefire-plugin.version>

</properties>

<dependencyManagement>

<dependencies>

<dependency>

<groupId>${quarkus.platform.group-id}</groupId>

<artifactId>${quarkus.platform.artifact-id}</artifactId>

<version>${quarkus.platform.version}</version>

<type>pom</type>

<scope>import</scope>

</dependency>

<dependency>

<groupId>${quarkus.platform.group-id}</groupId>

<artifactId>quarkus-camel-bom</artifactId>

<version>${quarkus.platform.version}</version>

<type>pom</type>

<scope>import</scope>

</dependency>

</dependencies>

</dependencyManagement>

<dependencies>

<dependency>

<groupId>io.quarkus</groupId>

<artifactId>quarkus-rest-jackson</artifactId>

</dependency>

<dependency>

<groupId>org.apache.camel.quarkus</groupId>

<artifactId>camel-quarkus-direct</artifactId>

</dependency>

<dependency>

<groupId>org.apache.camel.quarkus</groupId>

<artifactId>camel-quarkus-pdf</artifactId>

</dependency>

<dependency>

<groupId>org.apache.camel.quarkus</groupId>

<artifactId>camel-quarkus-langchain4j</artifactId>

<version>3.26.0</version>

</dependency>

<dependency>

<groupId>org.apache.camel.quarkus</groupId>

<artifactId>camel-quarkus-langchain4j-chat</artifactId>

<version>3.26.0</version>

</dependency>

<dependency>

<groupId>io.quarkiverse.antivirus</groupId>

<artifactId>quarkus-antivirus</artifactId>

<version>1.3.0</version>

</dependency>

<dependency>

<groupId>io.quarkiverse.langchain4j</groupId>

<artifactId>quarkus-langchain4j-ollama</artifactId>

<version>1.4.0.CR2</version>

</dependency>

<dependency>

<groupId>io.quarkus</groupId>

<artifactId>quarkus-arc</artifactId>

</dependency>

<dependency>

<groupId>io.quarkus</groupId>

<artifactId>quarkus-rest</artifactId>

</dependency>

<dependency>

<groupId>io.quarkus</groupId>

<artifactId>quarkus-junit5</artifactId>

<scope>test</scope>

</dependency>

<dependency>

<groupId>io.rest-assured</groupId>

<artifactId>rest-assured</artifactId>

<scope>test</scope>

</dependency>

</dependencies>

<build>

<plugins>

<plugin>

<groupId>${quarkus.platform.group-id}</groupId>

<artifactId>quarkus-maven-plugin</artifactId>

<version>${quarkus.platform.version}</version>

<extensions>true</extensions>

<executions>

<execution>

<goals>

<goal>build</goal>

<goal>generate-code</goal>

<goal>generate-code-tests</goal>

<goal>native-image-agent</goal>

</goals>

</execution>

</executions>

</plugin>

<plugin>

<artifactId>maven-compiler-plugin</artifactId>

<version>${compiler-plugin.version}</version>

<configuration>

<parameters>true</parameters>

</configuration>

</plugin>

<plugin>

<artifactId>maven-surefire-plugin</artifactId>

<version>${surefire-plugin.version}</version>

<configuration>

<argLine>--add-opens java.base/java.lang=ALL-UNNAMED</argLine>

<systemPropertyVariables>

<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>

<maven.home>${maven.home}</maven.home>

</systemPropertyVariables>

</configuration>

</plugin>

<plugin>

<artifactId>maven-failsafe-plugin</artifactId>

<version>${surefire-plugin.version}</version>

<executions>

<execution>

<goals>

<goal>integration-test</goal>

<goal>verify</goal>

</goals>

</execution>

</executions>

<configuration>

<argLine>--add-opens java.base/java.lang=ALL-UNNAMED</argLine>

<systemPropertyVariables>

<native.image.path>${project.build.directory}/${project.build.finalName}-runner</native.image.path>

<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>

<maven.home>${maven.home}</maven.home>

</systemPropertyVariables>

</configuration>

</plugin>

</plugins>

</build>

<profiles>

<profile>

<id>native</id>

<activation>

<property>

<name>native</name>

</property>

</activation>

<properties>

<quarkus.package.jar.enabled>false</quarkus.package.jar.enabled>

<skipITs>false</skipITs>

<quarkus.native.enabled>true</quarkus.native.enabled>

</properties>

</profile>

</profiles>

</project>

In the above, I set the quarkus.platform.version to 3.29.0 and quarkus-langchain libs to version 3.26.0

Also, I had to use the llama3.2:latest model.

[Juanes]

Hi Markus, thank you so much for the article. I have a PDF with a client's information in several sections (ID document, policy letter, policy, contract, and others), and they have different image and text scan formats. I need to split it into separate PDFs for each section. What process would you recommend, or how would you approach this?

[Markus Eisele]

Hi Juanes, that’s a great question. I’d probably look at Docling https://www.the-main-thread.com/p/quarkus-docling-data-preparation-for-ai

[Rai707]

thanks for this article. I tried to build and run it. The Rest API via upload starts without error, Virus Check is Ok, but afterwards I get timeout message in LLM:

2025-10-11 01:01:48,049 INFO [PdfProcessingRoute:32] (executor-thread-1) ? Generating summary via LLM...

2025-10-11 01:01:58,055 WARN [dev.lan.int.RetryUtils] (executor-thread-1) A retriable exception occurred. Remaining retries: 2 of 2: jakarta.ws.rs.ProcessingException: The timeout period of 10000ms has been exceeded while executing POST /api/chat for server null

at org.jboss.resteasy.reactive.client.impl.InvocationBuilderImpl.unwrap(InvocationBuilderImpl.java:212)

at org.jboss.resteasy.reactive.client.impl.InvocationBuilderImpl.post(InvocationBuilderImpl.java:243)

at io.quarkiverse.langchain4j.jaxrsclient.JaxRsHttpClient.execute(JaxRsHttpClient.java:117)

at dev.langchain4j.model.ollama.OllamaClient.chat(OllamaClient.java:93)

at dev.langchain4j.model.ollama.OllamaChatModel.lambda$doChat$0(OllamaChatModel.java:42)

at dev.langchain4j.internal.ExceptionMapper.withExceptionMapper(ExceptionMapper.java:29)

at dev.langchain4j.internal.RetryUtils.lambda$withRetryMappingExceptions$2(RetryUtils.java:324)

at dev.langchain4j.internal.RetryUtils$RetryPolicy.withRetry(RetryUtils.java:211)

Do you know, where can I fix this timeout ?

Many thanks

Rainer

[Markus Eisele]

Hey. gpt-oss is a large model. Try adding an explicit timeout in the application.properties or switch to a smaller model like llama3.2.

quarkus.langchain4j.timeout=60S

[Rai707]

Hey, that works fine. Great.