Cannot convert grib2 to geotiff in SpringBoot app

I have to convert grib2 files to geotiff files using geotools library.

I received a Maven project which does the conversion and isn’t SpringBoot-based. I will put only crucial parts of its pom.xml and java code below. Ask for more please if needed:

pom.xml

...

<repositories>
        <repository>
                <id>osgeo</id>
                <name>Open Source Geospatial Foundation Repository</name>
                <url>https://repo.osgeo.org/repository/release/</url>
        </repository>
</repositories>

...

<dependencies>
    <dependency>
            <groupId>org.geotools</groupId>
            <artifactId>gt-grib</artifactId>
            <version>31.3</version>
    </dependency>
</dependencies>

...

java:

package com.example;

import java.io.File;

import org.geotools.api.parameter.GeneralParameterValue;
import org.geotools.coverage.grid.GridCoverage2D;
import org.geotools.coverage.grid.io.AbstractGridCoverage2DReader;
import org.geotools.coverage.grid.io.GridFormatFinder;
import org.geotools.gce.geotiff.GeoTiffWriter;

public class Grib2ToGeoTiff {

    public static void main(String[] args) {
        try {
            File gribFile = new File("./grib2/slav.2024061700.054.grib2");
            File outputDir = new File("./output");

            convertGrib2ToGeoTiff(gribFile, outputDir);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void convertGrib2ToGeoTiff(File gribFile, File outputDir) {
        try {
            if (!gribFile.exists()) {
                System.err.println("File does not exist: " + gribFile.getAbsolutePath());
                return;
            }

            if (!outputDir.exists()) {
                outputDir.mkdirs();
            }

            AbstractGridCoverage2DReader reader = GridFormatFinder.findFormat(gribFile).getReader(gribFile);

            if (reader == null) {
                System.err.println("Unable to find a reader for the file: " + gribFile.getAbsolutePath());
                return;
            }

            String[] coverageNames = reader.getGridCoverageNames();
            for (String name : coverageNames) {
                System.out.println("Available coverage: " + name);

                GridCoverage2D coverage = (GridCoverage2D) reader.read(name, null);

                if (coverage == null) {
                    System.err.println("Failed to read coverage: " + name);
                    continue;
                }

                File tiffFile = new File(outputDir, name + ".tiff");
                GeoTiffWriter writer = new GeoTiffWriter(tiffFile);
                writer.write(coverage, new GeneralParameterValue[0]);
                writer.dispose();

                System.out.println("Conversion completed successfully for coverage: " + name);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

After running the Grib2ToGeoTiff.main method the specified grib2 file will be converted and the corresponding tiff files land in output folder, so that its contents will look like below:

Low_cloud_cover_surface_layer.tiff
Pressure_msl.tiff
Relative_humidity_height_above_ground.tiff
Temperature_height_above_ground.tiff
Total_cloud_cover_surface_layer.tiff
Total_snow_precipitation_surface_3_Hour_Accumulation.tiff
Total_water_precipitation_surface_3_Hour_Accumulation.tiff
u-component_of_wind_height_above_ground.tiff
v-component_of_wind_height_above_ground.tiff
Wind_direction_from_which_blowing_height_above_ground.tiff
Wind_speed_height_above_ground.tiff

As I have to use the same functionality in a SpringBoot based app I transfered the code mentioned above to it and executed the app using the same grib2-file as input.
But I got the error:

org.geotools.api.data.DataSourceException: Unable to connect

Further interesting part of the error was:

Caused by: org.geotools.api.data.DataSourceException: java.io.IOException: java.io.IOException: Schema 'Low_cloud_cover_surface_layer' does not exist.

The full stack is below:

org.geotools.api.data.DataSourceException: Unable to connect
    at org.geotools.coverage.io.netcdf.NetCDFReader.<init>(NetCDFReader.java:158) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.coverage.io.netcdf.NetCDFFormat.getReader(NetCDFFormat.java:94) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.coverage.io.netcdf.NetCDFFormat.getReader(NetCDFFormat.java:87) ~[gt-netcdf-31.3.jar:na]
    at com.myapp.grib2.service.Grib2ToGeoTiffService.convert(Grib2ToGeoTiffService.java:58) ~[classes/:na]
    at com.myapp.grib2.Grib2ToGeoTiffServiceITCase.upload(Grib2ToGeoTiffServiceITCase.java:26) ~[test-classes/:na]
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
    at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
    at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:728) ~[junit-platform-commons-1.10.2.jar:1.10.2]
    at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:218) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:214) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:139) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:69) ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[na:na]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[na:na]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) ~[junit-platform-engine-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:198) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:169) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:93) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:58) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:141) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:57) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:103) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:63) ~[junit-platform-launcher-1.10.2.jar:1.10.2]
    at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) ~[junit5-rt.jar:na]
    at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) ~[junit-rt.jar:na]
    at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) ~[idea_rt.jar:na]
    at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) ~[junit-rt.jar:na]
    at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232) ~[junit-rt.jar:na]
    at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55) ~[junit-rt.jar:na]
Caused by: org.geotools.api.data.DataSourceException: java.io.IOException: java.io.IOException: Schema 'Low_cloud_cover_surface_layer' does not exist.
    at org.geotools.coverage.io.netcdf.NetCDFAccess.<init>(NetCDFAccess.java:124) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.coverage.io.netcdf.NetCDFDriver.connect(NetCDFDriver.java:93) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.coverage.io.impl.DefaultFileDriver.process(DefaultFileDriver.java:231) ~[gt-coverage-api-31.3.jar:na]
    at org.geotools.coverage.io.netcdf.NetCDFReader.<init>(NetCDFReader.java:156) ~[gt-netcdf-31.3.jar:na]
    ... 72 common frames omitted
Caused by: java.lang.RuntimeException: java.io.IOException: java.io.IOException: Schema 'Low_cloud_cover_surface_layer' does not exist.
    at org.geotools.imageio.netcdf.NetCDFImageReader.setInput(NetCDFImageReader.java:307) ~[gt-netcdf-31.3.jar:na]
    at java.desktop/javax.imageio.ImageReader.setInput(ImageReader.java:380) ~[na:na]
    at org.geotools.coverage.io.netcdf.NetCDFAccess.<init>(NetCDFAccess.java:113) ~[gt-netcdf-31.3.jar:na]
    ... 75 common frames omitted
Caused by: java.io.IOException: java.io.IOException: Schema 'Low_cloud_cover_surface_layer' does not exist.
    at org.geotools.imageio.netcdf.NetCDFImageReader.initIndex(NetCDFImageReader.java:414) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.imageio.netcdf.NetCDFImageReader.init(NetCDFImageReader.java:541) ~[gt-netcdf-31.3.jar:na]
    at org.geotools.imageio.netcdf.NetCDFImageReader.setInput(NetCDFImageReader.java:305) ~[gt-netcdf-31.3.jar:na]
    ... 77 common frames omitted
Caused by: java.io.IOException: Schema 'Low_cloud_cover_surface_layer' does not exist.
    at org.geotools.data.store.ContentDataStore.ensureEntry(ContentDataStore.java:545) ~[gt-main-31.3.jar:na]
    at org.geotools.data.store.ContentDataStore.getFeatureSource(ContentDataStore.java:336) ~[gt-main-31.3.jar:na]
    at org.geotools.data.store.ContentDataStore.getFeatureSource(ContentDataStore.java:308) ~[gt-main-31.3.jar:na]
    at org.geotools.data.store.ContentDataStore.getFeatureSource(ContentDataStore.java:97) ~[gt-main-31.3.jar:na]
    at org.geotools.coverage.io.catalog.CoverageSlicesCatalog.addGranules(CoverageSlicesCatalog.java:378) ~[gt-coverage-api-31.3.jar:na]
    at org.geotools.imageio.netcdf.NetCDFImageReader.initIndex(NetCDFImageReader.java:391) ~[gt-netcdf-31.3.jar:na]
    ... 79 common frames omitted

Why doesn’t the code work in the SpringBoot app?
I noticed that geotools makes use of hsql-db and creates the files:

slav2024061700054grib2.mv.db
slav2024061700054grib2.trace.db 

during the conversion. Can this be an obstacle? However I don’t use spring-boot-starter-data-jpa in the app

I also ran mvn dependency:tree on both apps and extracted geotools related parts from its output:

non-springboot based app:

https://denis-aristov.ucoz.com/9Ekzvg8oiN/DenisAristov-demo-geotools-deps.log

springboot based app:

https://denis-aristov.ucoz.com/9Ekzvg8oiN/DenisAristov-springboot-geotools-deps.log

Using:

SpringBoot: 3.2.4

Java 21

1

My assumption about the DB problem turned out to be correct.
I compared the h2 dependencies in the two apps and noticed that the h2 version in the SpringBoot based app was almost doubled. So I set a lower version in the pom.xml. At the end the following changes in the pom.xml led to a successful grib2 conversion.

...
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.4.0-b180830.0359</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jaxb</groupId>
            <artifactId>jaxb-runtime</artifactId>
            <version>2.4.0-b180830.0438</version>
        </dependency>
        <dependency>
            <groupId>org.geotools</groupId>
            <artifactId>gt-grib</artifactId>
            <version>31.3</version>
            <exclusions>
                <exclusion>
                    <groupId>com.h2database</groupId>
                    <artifactId>h2</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <version>1.1.119</version>
        </dependency>
...

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Trang chủ Giới thiệu Sinh nhật bé trai Sinh nhật bé gái Tổ chức sự kiện Biểu diễn giải trí Dịch vụ khác Trang trí tiệc cưới Tổ chức khai trương Tư vấn dịch vụ Thư viện ảnh Tin tức - sự kiện Liên hệ Chú hề sinh nhật Trang trí YEAR END PARTY công ty Trang trí tất niên cuối năm Trang trí tất niên xu hướng mới nhất Trang trí sinh nhật bé trai Hải Đăng Trang trí sinh nhật bé Khánh Vân Trang trí sinh nhật Bích Ngân Trang trí sinh nhật bé Thanh Trang Thuê ông già Noel phát quà Biểu diễn xiếc khỉ Xiếc quay đĩa
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